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Saturday, 05/17/2025 8:10 PM 
 RecordStarterOpenLatest
 Gm#W-LPitcherMLO/UMLO/URL
 COL Colorado9537-37MARQUEZ(R)+2509o-05+2759.5o-05+1.5, +140
 ARI Arizona95424-21GALLEN(R)-3009u-15-3509.5u-15-1.5, -160

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Tip SheetSimulation & Ratings🔒Betting Systems🔒Team Trends🔒Team StatsStarting PitchersLineupsBullpensSchedule & ResultsManagers🔒Umpire🔒Head-to-Head🔒

Team Bullpen Breakdown

Explore comprehensive MLB bullpen rosters featuring standard and Sabermetric pitching stats, plus updated injury reports to evaluate each team's relief pitching depth.

Pitcher Injuries

Stay updated with each MLB team's key impact player injury details. Find statuses, injury types, and game effect for a competitive edge in baseball insights.

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 Denver Rockies
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Case WilliamsSP Triceps7-day IL05/17/20250000.00000000.000.000
Case Williams of the Colorado Rockies is on the 7-day IL due to a tricep injury. Next game is on 05/17/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jace KaminskaP Undisclosed60-day IL05/17/20250000.00000000.000.000
Jace Kaminska of the Colorado Rockies is on the 60-day IL with an unknown injury, next game on 05/17/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Christopher McMahonP Undisclosed60-day IL05/17/20250000.00000000.000.000
Christopher McMahon (P, Rockies) is on the 60-day IL with an unknown status. Next game is 5/17/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jeff CriswellP Elbow60-day IL05/17/20250000.00000000.000.000
Jeff Criswell (P, Rockies) is on the 60-day IL recovering from Tommy John surgery and is expected to miss the season.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan FeltnerP Back15-day IL05/17/202502030.3331716412254.751.484
Ryan Feltner of the Rockies is on the 15-day IL due to a back injury with no return timetable set. Next game: 05/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Austin GomberP Shoulder60-day IL05/17/20250000.00000000.000.000
Austin Gomber (P, Rockies) is on the 60-day IL with a left shoulder injury, out indefinitely. Next game: 5/17/2025 at Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Yujanyer HerreraRP Elbow60-day IL05/17/20250000.00000000.000.000
Yujanyer Herrera (RP, Rockies) on 60-day IL due to elbow injury. Next game on 05/17/2025 at Arizona. Info as of 05/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Isaiah CoupetRP Undisclosed60-day IL05/17/20250000.00000000.000.000
Isaiah Coupet (RP, Rockies) is on the 60-day IL. Status unknown. Next game: 05/17/2025 at Arizona. Updated info as of 05/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Victor VodnikP Shoulder15-day IL05/17/20250118.07542684.501.625
Victor Vodnik of the Colorado Rockies is on the 15-day IL with a shoulder injury, with no recovery timetable. Next game: 05/17/2025.
 Phoenix Diamondbacks
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Justin MartinezP✅Shoulder15-day IL05/17/202511310.054316112.701.100
Justin Martinez (P) is on the 15-day IL with right shoulder inflammation; his return timeline remains uncertain. Next game: 05/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
A.J. PukP Elbow60-day IL05/17/20250048.083322123.381.250
A.J. Puk of the Diamondbacks is on the 60-day IL with left elbow inflammation; no return timeline has been set.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Blake WalstonP Elbow60-day IL05/17/20250000.00000000.000.000
Blake Walston, pitcher for the Diamondbacks, faces season-ending elbow injury; he's on the 60-day IL.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Caden GriceSP Elbow60-day IL05/17/20250000.00000000.000.000
Caden Grice, SP for the Arizona Diamondbacks, is on the 60-day IL due to an elbow injury. Next game: 05/17/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jordan MontgomeryP Elbow60-day IL05/17/20250000.00000000.000.000
Jordan Montgomery of the Arizona Diamondbacks is on the 60-day IL due to an elbow injury and will miss the rest of the season.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Eduardo RodriguezP Shoulder15-day IL05/17/202513044.7584135818527.051.701
Eduardo Rodriguez of the Diamondbacks is on the 15-day IL for left shoulder inflammation, with no return timetable.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Brandon BielakRP Undisclosed60-day IL05/17/20250000.00000000.000.000
Brandon Bielak (RP) on 60-day IL with unknown injury for Arizona Diamondbacks; next game 05/17/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan BrunoP Undisclosed60-day IL05/17/20250000.00000000.000.000
Ryan Bruno (P) of the Arizona Diamondbacks is on the 60-day IL. Status is unknown; next game is 05/17/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Joe ElbisRP Undisclosed7-day IL05/17/20250000.00000000.000.000
Joe Elbis (RP, Diamondbacks) is on the 7-day IL with an unknown injury; next game is on 05/17/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Andrew SaalfrankRP SuspensionSuspended05/17/20250000.00000000.000.000
Andrew Saalfrank (RP, Arizona Diamondbacks) is suspended. Next game: 05/17/2025 vs. Colorado. Updated info as of 05/17/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Hugh FisherSP Undisclosed60-day IL05/17/20250000.00000000.000.000
Hugh Fisher of the Arizona Diamondbacks is on the 60-day IL with an unknown injury. Next game is on 05/17/2025 vs. Colorado.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kendall GravemanP BackProbable05/10/20250002.00000100.000.500
Kendall Graveman of the Diamondbacks is on the 15-day IL for a back injury, status unclear, likely out indefinitely.

Bullpen Pitching Stats

2025 Pitching Stats in All Games

This table displays pitching statistics for a team's bullpen, highlighting the expected available pitchers for today's game. Key stats such as ERA, WHIP, saves, and opponents' batting averages are included to help bettors and fantasy managers evaluate bullpen strength. Pitchers highlighted in white rows are projected to be available for relief appearances, while players shown in grey rows are currently unavailable or listed as starting pitchers. Favorable and unfavorable performance indicators are clearly marked in green and red, respectively, allowing for quick identification of bullpen advantages or vulnerabilities.

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 Colorado Bullpen - 2025 All Games Pitching Statistics
Player
T
 W L ERA G HLD SV BSV SV% IP H R ER HR BB IBB HBP SO WP BK WHIP AVGa OBPa SLGa OPSa
Seth Halvorsen
R
 0 0 3.71 17 1 1 1 50.0% 17.0 16 10 7 1 8 0 0 17 2 0 1.412 0.250 0.333 0.375 0.708
Tyler Kinley
R
 0 1 7.41 18 0 1 1 50.0% 17.0 17 16 14 1 13 3 1 17 4 0 1.765 0.254 0.383 0.328 0.711
Angel Chivilli
R
 1 2 4.21 17 1 0 0 0.0% 25.7 25 15 12 3 11 1 1 18 3 0 1.403 0.253 0.333 0.374 0.707
Scott Alexander
L
 1 1 5.27 17 3 0 1 0.0% 13.7 16 8 8 2 7 0 1 6 0 0 1.683 0.308 0.400 0.538 0.938
Jimmy Herget
R
 0 0 4.22 16 1 0 1 0.0% 21.3 21 10 10 3 10 0 3 12 1 1 1.453 0.266 0.370 0.430 0.800
Jake Bird
R
 0 1 1.78 17 3 0 1 0.0% 25.3 19 5 5 1 14 0 1 33 2 0 1.303 0.209 0.321 0.297 0.617
Jeff Criswell
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Zachary Agnos
R
 0 1 1.64 9 1 2 0 100.0% 11.0 11 4 2 1 1 0 0 5 1 0 1.091 0.256 0.273 0.395 0.668
Ryan Rolison
L
 0 0 0.00 2 0 0 0 0.0% 1.7 0 0 0 0 1 0 0 1 0 0 0.600 0.000 0.167 0.000 0.167
Victor Vodnik
R
 0 1 4.50 9 0 1 1 50.0% 8.0 7 5 4 2 6 0 0 8 0 0 1.625 0.241 0.371 0.483 0.854
Juan Mejia
R
 0 0 4.70 6 0 0 0 0.0% 7.7 9 8 4 2 3 0 0 10 0 0 1.565 0.281 0.343 0.563 0.905
Kyle Freeland
L
 0 6 6.15 9 0 0 0 0.0% 45.3 64 37 31 4 8 0 1 35 1 0 1.588 0.327 0.356 0.459 0.815
Antonio Senzatela
R
 1 7 6.39 9 0 0 0 0.0% 43.7 74 37 31 9 13 0 1 22 1 0 1.992 0.381 0.423 0.582 1.006
Chase Dollander
R
 2 4 6.88 7 0 0 0 0.0% 34.0 34 29 26 9 16 0 1 32 1 0 1.471 0.258 0.342 0.492 0.835
Austin Gomber
L
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Ryan Feltner
R
 0 2 4.75 6 0 0 0 0.0% 30.3 33 17 16 4 12 0 0 25 0 0 1.484 0.270 0.336 0.443 0.778
Anthony Molina
R
 0 0 0.00 1 0 0 0 0.0% 1.0 0 0 0 0 0 0 0 1 0 0 0.000 0.000 0.000 0.000 0.000

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 Arizona Bullpen - 2025 All Games Pitching Statistics
Player
T
 W L ERA G HLD SV BSV SV% IP H R ER HR BB IBB HBP SO WP BK WHIP AVGa OBPa SLGa OPSa
Justin Martinez
R
 1 1 2.70 12 3 3 0 100.0% 10.0 5 4 3 1 6 0 2 11 1 0 1.100 0.147 0.310 0.265 0.574
A.J. Puk
L
 0 0 3.38 8 2 4 0 100.0% 8.0 8 3 3 2 2 0 1 12 1 0 1.250 0.250 0.314 0.531 0.846
Kevin Ginkel
R
 0 1 10.80 8 3 1 1 50.0% 6.7 9 8 8 2 4 0 1 9 1 0 1.950 0.310 0.412 0.621 1.032
Ryan Thompson
R
 1 0 5.40 17 5 1 1 50.0% 16.7 17 10 10 3 6 1 1 17 0 0 1.380 0.254 0.324 0.433 0.757
Shelby Miller
R
 3 0 1.45 18 6 3 2 60.0% 18.7 12 4 3 1 7 0 1 21 0 0 1.018 0.176 0.263 0.235 0.498
Kendall Graveman
R
 0 0 0.00 2 0 0 0 0.0% 2.0 0 0 0 0 1 0 0 0 0 0 0.500 0.000 0.167 0.000 0.167
Jordan Montgomery
L
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Jalen Beeks
L
 1 0 2.01 20 7 1 1 50.0% 22.3 14 6 5 2 7 1 0 22 0 0 0.940 0.177 0.244 0.291 0.535
Juan Morillo
R
 0 0 6.23 9 1 0 0 0.0% 8.7 11 8 6 2 4 0 0 10 1 0 1.731 0.314 0.385 0.514 0.899
Scott McGough
R
 0 0 0.00 2 0 0 0 0.0% 3.0 1 0 0 0 1 0 0 2 0 0 0.667 0.100 0.182 0.100 0.282
Ryne Nelson
R
 1 1 5.13 10 1 1 1 50.0% 26.3 22 15 15 3 10 0 1 28 0 0 1.215 0.218 0.295 0.376 0.671
Christian Montes De Oca
R
 0 0 0.00 0 0 0 0 0.0% 0.0 0 0 0 0 0 0 0 0 0 0 0.000 0.000 0.000 0.000 0.000
Corbin Burnes
R
 3 1 2.56 8 0 0 0 0.0% 45.7 35 17 13 5 22 1 2 43 1 2 1.248 0.215 0.316 0.368 0.684
Merrill Kelly
R
 4 2 3.71 9 0 0 0 0.0% 51.0 42 22 21 6 12 0 1 41 0 0 1.059 0.218 0.267 0.383 0.650
Eduardo Rodriguez
L
 1 3 7.05 9 0 0 0 0.0% 44.7 58 41 35 8 18 0 0 52 2 0 1.701 0.309 0.369 0.532 0.901
Brandon Pfaadt
R
 6 3 3.73 9 0 0 0 0.0% 50.7 53 23 21 8 13 1 4 44 0 0 1.303 0.266 0.324 0.442 0.766

2025 Advanced Pitching Stats in All Games

This table provides advanced pitching and Sabermetric statistics for the team's bullpen pitchers, highlighting expected availability for today's game. Metrics include ERA and advanced ERA estimators (xERA, FIP, SIERA), strikeout and walk rates, and performance with inherited runners, helping bettors and fantasy managers assess bullpen effectiveness. Pitchers in white rows are projected available for relief, while those in grey rows are either unavailable or designated as starters. Favorable (green) and unfavorable (red) performances are clearly marked for quick reference.

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 Colorado Bullpen - 2025 All Games Advanced Pitching Statistics
  ERA Estimates Percentages and Ratios Inherited Runners
Player
T
 ERA xERA ERC FIP dERA DICE SIERA HR% Str% BB% BB9 SO% SO9 SOBB PFR LOB% GOFO IR IRA IRA%
Seth Halvorsen
R
 3.71 3.75 3.64 3.28 3.31 3.28 3.32 1.4% 63.0% 10.7% 4.2 22.7% 9.0 2.13 1.47 61.9% 5.00 11 3 27.3%
Tyler Kinley
R
 7.41 4.80 4.90 4.34 4.35 4.34 3.80 1.2% 61.9% 15.9% 6.9 20.7% 9.0 1.31 1.76 50.7% 1.17 9 4 44.4%
Angel Chivilli
R
 4.21 4.34 4.28 4.62 4.59 4.62 4.53 2.7% 60.8% 9.6% 3.9 15.8% 6.3 1.64 1.13 67.1% 5.25 14 4 28.6%
Scott Alexander
L
 5.27 5.84 6.44 5.88 6.00 5.88 5.90 3.3% 57.0% 10.8% 4.6 9.2% 4.0 0.86 0.95 75.5% 2.57 16 8 50.0%
Jimmy Herget
R
 4.22 4.70 5.08 5.63 5.62 5.63 5.61 3.3% 63.4% 10.2% 4.2 12.2% 5.1 1.20 1.03 80.5% 1.13 15 7 46.7%
Jake Bird
R
 1.78 2.78 2.95 2.78 2.83 2.78 2.79 0.9% 65.9% 12.7% 5.0 30.0% 11.7 2.36 1.86 89.0% 2.75 16 5 31.3%
Jeff Criswell
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Zachary Agnos
R
 1.64 3.42 2.83 3.65 3.69 3.65 3.65 2.3% 62.2% 2.2% 0.8 11.1% 4.1 5.00 0.55 75.5% 0.92 3 0 0.0%
Ryan Rolison
L
 0.00 -1.25 0.32 3.70 4.05 3.70 3.41 0.0% 55.2% 16.7% 5.4 16.7% 5.4 1.00 1.20 100.0% 0.00 2 0 0.0%
Victor Vodnik
R
 4.50 5.73 5.94 6.60 6.51 6.60 6.66 5.7% 53.2% 16.2% 6.8 21.6% 9.0 1.33 1.75 78.4% 1.60 7 4 57.1%
Juan Mejia
R
 4.70 6.44 6.03 5.06 4.61 5.06 5.07 5.7% 67.1% 8.6% 3.5 28.6% 11.7 3.33 1.70 43.5% 2.33 1 0 0.0%
Kyle Freeland
L
 6.15 5.72 5.43 3.30 3.35 3.30 3.30 2.0% 69.3% 3.8% 1.6 16.7% 6.9 4.38 0.95 53.4% 2.64 0 0 0.0%
Antonio Senzatela
R
 6.39 8.51 9.05 5.73 5.35 5.73 5.74 4.3% 62.3% 5.9% 2.7 10.0% 4.5 1.69 0.80 67.6% 2.40 0 0 0.0%
Chase Dollander
R
 6.88 5.81 5.48 6.16 5.81 6.16 6.16 6.0% 61.2% 10.5% 4.2 20.9% 8.5 2.00 1.41 57.3% 1.30 0 0 0.0%
Austin Gomber
L
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Ryan Feltner
R
 4.75 4.96 4.62 4.35 4.23 4.35 4.36 3.0% 62.1% 8.8% 3.6 18.4% 7.4 2.08 1.22 71.1% 1.50 0 0 0.0%
Anthony Molina
R
 0.00 -2.80 0.00 1.10 0.85 1.10 1.61 0.0% 83.3% 0.0% 0.0 33.3% 9.0 0.00 1.00 0.0% 1.00 0 0 0.0%

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 Arizona Bullpen - 2025 All Games Advanced Pitching Statistics
  ERA Estimates Percentages and Ratios Inherited Runners
Player
T
 ERA xERA ERC FIP dERA DICE SIERA HR% Str% BB% BB9 SO% SO9 SOBB PFR LOB% GOFO IR IRA IRA%
Justin Martinez
R
 2.70 2.14 2.73 4.60 4.61 4.60 4.64 2.4% 59.1% 14.0% 5.4 25.6% 9.9 1.83 1.70 77.6% 4.00 3 1 33.3%
A.J. Puk
L
 3.38 5.07 4.83 4.47 4.13 4.47 4.46 5.7% 67.9% 5.7% 2.3 34.3% 13.5 6.00 1.75 97.6% 1.25 2 2 100.0%
Kevin Ginkel
R
 10.80 8.20 9.06 6.55 5.78 6.55 6.47 5.9% 56.8% 11.8% 5.4 26.5% 12.2 2.25 1.95 53.6% 0.75 1 0 0.0%
Ryan Thompson
R
 5.40 4.91 4.64 4.66 4.43 4.66 4.47 4.1% 66.2% 8.1% 3.2 23.0% 9.2 2.83 1.38 70.7% 2.29 8 3 37.5%
Shelby Miller
R
 1.45 1.91 1.87 2.83 2.86 2.83 2.82 1.3% 66.3% 9.2% 3.4 27.6% 10.1 3.00 1.50 86.0% 1.00 8 4 50.0%
Kendall Graveman
R
 0.00 -1.45 0.27 4.60 5.82 4.60 4.03 0.0% 50.0% 14.3% 4.5 0.0% 0.0 0.00 0.50 100.0% 1.00 0 0 0.0%
Jordan Montgomery
L
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Jalen Beeks
L
 2.01 1.99 1.74 3.23 3.27 3.23 3.11 2.3% 63.7% 8.0% 2.8 25.0% 8.9 3.14 1.30 82.4% 3.71 8 1 12.5%
Juan Morillo
R
 6.23 6.87 7.06 5.18 4.83 5.18 5.19 5.1% 64.7% 9.8% 4.2 24.4% 10.4 2.50 1.62 57.4% 1.75 2 2 100.0%
Scott McGough
R
 0.00 -0.20 0.65 2.77 2.88 2.77 2.59 0.0% 57.4% 9.1% 3.0 18.2% 6.0 2.00 1.00 100.0% 0.00 0 0 0.0%
Ryne Nelson
R
 5.13 3.44 3.18 3.71 3.63 3.71 3.70 2.7% 64.9% 8.9% 3.4 25.0% 9.6 2.80 1.44 62.5% 1.64 1 0 0.0%
Christian Montes De Oca
R
 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0% 0.0% 0.0% 0.0 0.0% 0.0 0.00 0.00 0.0% 0.00 0 0 0.0%
Corbin Burnes
R
 2.56 3.31 3.37 4.22 4.20 4.22 4.15 2.7% 62.4% 11.2% 4.3 21.9% 8.5 1.95 1.42 80.8% 3.33 0 0 0.0%
Merrill Kelly
R
 3.71 3.07 2.63 3.79 3.74 3.79 3.79 2.9% 65.5% 5.8% 2.1 19.7% 7.2 3.42 1.04 70.8% 1.93 0 0 0.0%
Eduardo Rodriguez
L
 7.05 6.44 6.18 4.31 4.07 4.31 4.30 3.9% 61.0% 8.6% 3.6 24.8% 10.5 2.89 1.57 54.0% 1.74 0 0 0.0%
Brandon Pfaadt
R
 3.73 4.61 4.49 4.42 4.27 4.42 4.36 3.7% 64.3% 5.9% 2.3 19.8% 7.8 3.38 1.13 79.9% 1.92 0 0 0.0%
Glossary of Terms

Player: The name of the bullpen pitcher.

T: The throwing hand of the pitcher (L for left-handed, R for right-handed).

W: The total number of wins credited to the pitcher.

L: The total number of losses credited to the pitcher.

ERA (Earned Run Average): The average number of earned runs allowed per nine innings pitched.

G (Games Played): The number of games in which the pitcher has appeared.

HLD (Holds): The number of times a relief pitcher maintains a lead before passing the game to another reliever.

SV (Saves): The number of times a pitcher successfully finishes a game with a lead.

BSV (Blown Saves): The number of times a pitcher enters in a save situation and fails to maintain the lead.

SV% (Save Percentage): The percentage of save opportunities successfully converted.

IP (Innings Pitched): The total number of innings pitched by the player.

H (Hits Allowed): The total number of hits allowed by the pitcher.

R (Runs Allowed): The total number of runs allowed, including earned and unearned runs.

ER (Earned Runs): The total number of runs scored against the pitcher that were not the result of defensive errors.

HR (Home Runs Allowed): The total number of home runs given up by the pitcher.

BB (Walks): The total number of batters walked by the pitcher.

IBB (Intentional Walks): The number of walks that were intentionally issued.

HBP (Hit by Pitch): The number of batters hit by a pitch.

SO (Strikeouts): The number of batters struck out by the pitcher.

WP (Wild Pitches): The number of pitches that the catcher fails to catch, allowing runners to advance.

BK (Balks): The number of illegal pitching movements that allow runners to advance.

WHIP (Walks + Hits per Inning Pitched): The average number of walks and hits allowed per inning pitched.

AVGa (Opponent Batting Average): The batting average of opposing hitters against the pitcher.

OBPa (Opponent On-Base Percentage): The on-base percentage of opposing hitters against the pitcher.

SLGa (Opponent Slugging Percentage): The slugging percentage of opposing hitters against the pitcher.

OPSa (Opponent On-Base Plus Slugging): The on-base plus slugging percentage of opposing hitters against the pitcher.

ERA (Earned Run Average): The average number of earned runs a pitcher allows per nine innings.

xERA (Expected ERA): A predictive measure of ERA based on batted-ball data, strikeouts, and walks.

ERC (Component ERA): An estimate of ERA based on hits, walks, and home runs allowed.

FIP (Fielding Independent Pitching): A metric that evaluates a pitcher's effectiveness independent of fielding by focusing on strikeouts, walks, and home runs allowed.

dERA (Defense-Independent ERA): An alternative ERA metric that removes the effect of defense and focuses on pitching outcomes.

DICE (Defense-Independent Component ERA): A similar stat to FIP that adjusts for defense-independent outcomes.

SIERA (Skill-Interactive ERA): A sabermetric pitching stat that evaluates a pitcher's overall skill by considering how batted balls are put in play.

Pitching Ratios & Percentages

Str% (Strike Percentage): The percentage of total pitches thrown for strikes.

BB% (Walk Percentage): The percentage of batters faced who are walked.

BB9 (Walks per 9 Innings): The average number of walks allowed per nine innings.

SO% (Strikeout Percentage): The percentage of batters faced who are struck out.

SO9 (Strikeouts per 9 Innings): The average number of strikeouts per nine innings.

SO/BB (Strikeout-to-Walk Ratio): The ratio of strikeouts to walks, indicating control and command.

PFR (Power-Finesse Ratio): A measure of a pitcher’s ability to generate strikeouts while limiting walks.

LOB% (Left on Base Percentage): The percentage of baserunners left stranded by a pitcher.

GO/FO (Ground Out to Fly Out Ratio): A measure of a pitcher's tendency to induce ground balls compared to fly balls.

Pitching Performance Indicators

Dom (Dominant Starts): The number of starts classified as dominant based on low runs allowed and high strikeout rates.

Dom% (Dominant Start Percentage): The percentage of total starts that were dominant performances.

Dis (Disaster Starts): The number of starts where the pitcher performed poorly, allowing a high number of runs.

Dis% (Disaster Start Percentage): The percentage of total starts that were considered disasters.

Inherited Runners

IR (Inherited Runners): The number of runners already on base when the pitcher enters the game.

IRA (Inherited Runners Allowed): The number of inherited runners that the pitcher allows to score.

IRA% (Inherited Runner Scoring Percentage): The percentage of inherited runners that end up scoring.