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Sunday, 04/20/2025 3:00 PM 
 RecordStarterOpenLatest
 Gm#W-LPitcherMLO/UMLO/URL
 ARI Arizona90512-9KELLY(R)+1157o-20+1307.5ev+1.5, -170
 CHC Chicago Cubs90614-9TAILLON(R)-1257ev-1407.5u-20-1.5, +150

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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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 Phoenix Diamondbacks
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Merrill KellySP LegProbable04/21/202531026.7201514311214.731.163
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
A.J. PukSP Elbow15-day IL04/20/20250048.083322123.381.250
A.J. Puk (SP, Diamondbacks) on 15-day IL due to left elbow inflammation, expected to return early May. Next game: 4/20/25.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Blake WalstonSP Elbow60-day IL04/20/20250000.00000000.000.000
Blake Walston (SP) of the Diamondbacks is on the 60-day IL with an elbow injury and will miss the rest of the season.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Hugh FisherSP Undisclosed60-day IL04/20/20250000.00000000.000.000
Hugh Fisher (SP, Arizona Diamondbacks) is on the 60-day IL with an unknown injury. Next game: 04/20/2025 vs. Cubs.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jordan MontgomerySP Elbow60-day IL04/20/20250000.00000000.000.000
Jordan Montgomery (SP, Diamondbacks) is on the 60-day IL with an elbow injury, out for the season. Next game: 04/20/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kevin GinkelRP Shoulder15-day IL04/20/20250000.00000000.000.000
Kevin Ginkel (RP, Diamondbacks) is on the 15-day IL with a right shoulder impingement, no timetable for recovery.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Caden GriceSP Elbow60-day IL04/20/20250000.00000000.000.000
Caden Grice (SP, Diamondbacks) on 60-day IL due to elbow injury; next game scheduled for 04/20/2025 at Cubs.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan BrunoP Undisclosed60-day IL04/20/20250000.00000000.000.000
Ryan Bruno (P) on 60-day IL for Arizona Diamondbacks, status unknown. Next game: 04/20/2025 vs. Chicago Cubs.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kendall GravemanRP Back15-day IL04/20/20250000.00000000.000.000
Kendall Graveman, RP for the Diamondbacks, is on the 15-day IL due to back tightness and is out indefinitely.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Jose CastilloSP Thigh7-day IL04/20/20250000.00000000.000.000
Jose Castillo (SP) of the Arizona Diamondbacks is on the 7-day IL due to a thigh injury. Next game: 04/20/2025 at Chicago Cubs.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Andrew SaalfrankRP SuspensionSuspended04/20/20250000.00000000.000.000
Andrew Saalfrank of the Arizona Diamondbacks is currently suspended and will next play on 04/20/2025 against the Chicago Cubs.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Joe ElbisRP Undisclosed7-day IL04/20/20250000.00000000.000.000
Joe Elbis (RP, Diamondbacks) on 7-day IL with an unknown injury; next game is 04/20/2025 at the Cubs.
 Chicago Cubs
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Justin SteeleSP✅Elbow15-day IL04/20/202531022.721121255214.761.147
Cubs' Justin Steele is out for the season after surgery for left elbow flexor tendon and UCL damage.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Koen MorenoP Undisclosed60-day IL04/20/20250000.00000000.000.000
Koen Moreno (P) of the Chicago Cubs is on the 60-day IL; status unknown. Next game is on 04/20/2025 vs. Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Kohl FranklinSP Elbow7-day IL04/20/20250000.00000000.000.000
Kohl Franklin (SP, Cubs) on 7-day IL due to elbow injury. Next game on 04/20/2025 vs. Arizona. Info updated 04/20/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ryan BrasierRP Groin15-day IL04/20/20250001.02110119.003.000
Ryan Brasier (RP, Cubs) is on the 15-day IL due to a groin injury, with no return timetable set. Next game: 04/20/2025 vs. Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Drew GraySP Shoulder60-day IL04/20/20250000.00000000.000.000
Drew Gray (SP) is on the 60-day IL for the Cubs due to a shoulder injury. Next game is 04/20/2025 vs. Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Brody McCulloughSP Forearm60-day IL04/20/20250000.00000000.000.000
Brody McCullough, Cubs SP on 60-day IL with a forearm injury. Next game: 04/20/2025 vs. Arizona. Info as of 04/20/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Yency AlmonteRP Shoulder60-day IL04/20/20250000.00000000.000.000
Yency Almonte (RP, Cubs) on 60-day IL due to shoulder injury; next game on 04/20/2025 vs. Arizona. Info updated today.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Tyson MillerRP Hip15-day IL04/20/20250000.00000000.000.000
Tyson Miller (RP, Cubs) is on the 15-day IL due to a left hip impingement, with no return timetable set. Next game: 04/20/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Brandon BirdsellSP Lat60-day IL04/20/20250000.00000000.000.000
Brandon Birdsell, SP for the Cubs, is on the 60-day IL due to a lat injury. Next game on 04/20/2025 vs. Arizona.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Ben HellerRP Undisclosed60-day IL04/20/20250000.00000000.000.000
Ben Heller (RP) on 60-day IL for Chicago Cubs; status unknown. Next game: 04/20/2025 vs. Arizona. Info updated 04/20/2025.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Elijah MorganSP Elbow15-day IL04/20/20250107.312101033412.272.045
Elijah Morgan (SP, Cubs) is on the 15-day IL with a right elbow impingement and will miss an extended period.
PlayerPosInjuryStatusUpdatedWLSVIPHRERHRBBSOERAWHIP
Javier AssadSP Oblique15-day IL04/20/20250000.00000000.000.000
Javier Assad (SP) of the Chicago Cubs is on the 15-day IL due to an oblique injury and will be out indefinitely. Next game: 4/20 vs. Arizona.

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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 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 0 0.00 8 3 2 0 100.0% 7.0 3 0 0 0 1 0 1 10 0 0 0.571 0.125 0.192 0.125 0.317
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 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
Joe Mantiply
L
 0 1 15.95 8 0 0 1 0.0% 7.3 20 13 13 3 2 0 1 7 0 0 3.000 0.476 0.511 0.738 1.249
Ryan Thompson
R
 0 0 3.52 7 1 0 0 0.0% 7.7 4 3 3 0 4 0 0 8 0 0 1.043 0.148 0.258 0.148 0.406
Bryce Jarvis
R
 0 0 7.36 6 0 0 0 0.0% 7.3 7 6 6 1 3 0 1 9 0 0 1.364 0.259 0.355 0.444 0.799
Shelby Miller
R
 2 0 0.00 8 3 0 1 0.0% 10.0 1 1 0 0 2 0 1 10 0 0 0.300 0.032 0.118 0.032 0.150
Kendall Graveman
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
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 0.69 10 2 0 0 0.0% 13.0 5 1 1 1 3 1 0 14 0 0 0.615 0.114 0.170 0.205 0.375
Ryne Nelson
R
 1 0 8.44 5 0 0 0 0.0% 10.7 13 10 10 1 2 0 0 12 0 0 1.406 0.283 0.313 0.457 0.769
Zac Gallen
R
 1 3 5.60 5 0 0 0 0.0% 27.3 26 17 17 5 13 0 1 29 1 0 1.427 0.241 0.328 0.444 0.772
Corbin Burnes
R
 0 1 4.64 4 0 0 0 0.0% 21.3 21 13 11 4 9 0 2 17 1 0 1.406 0.266 0.356 0.506 0.862
Eduardo Rodriguez
L
 1 2 4.09 4 0 0 0 0.0% 22.0 24 13 10 2 6 0 0 29 2 0 1.364 0.273 0.319 0.432 0.751
Brandon Pfaadt
R
 3 1 3.04 4 0 0 0 0.0% 23.7 21 8 8 5 5 0 1 18 0 0 1.099 0.241 0.290 0.437 0.727

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 Chicago Cubs 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
Ryan Pressly
R
 2 1 2.45 11 0 4 0 100.0% 11.0 12 4 3 1 6 0 0 5 0 0 1.636 0.293 0.383 0.415 0.798
Porter Hodge
R
 1 0 6.75 11 5 0 2 0.0% 10.7 12 8 8 1 5 0 0 13 2 0 1.594 0.286 0.362 0.429 0.790
Ryan Brasier
R
 0 0 9.00 1 0 0 0 0.0% 1.0 2 1 1 0 1 0 0 1 0 0 3.000 0.400 0.500 0.600 1.100
Caleb Thielbar
L
 1 0 4.00 10 2 1 1 50.0% 9.0 3 4 4 0 7 1 0 7 0 0 1.111 0.103 0.278 0.138 0.416
Julian Merryweather
R
 0 0 1.93 10 5 0 0 0.0% 9.3 9 2 2 0 3 1 0 8 0 0 1.286 0.250 0.308 0.361 0.669
Colin Rea
R
 0 0 1.32 5 0 1 0 100.0% 13.7 14 2 2 0 1 0 0 12 0 0 1.098 0.255 0.268 0.309 0.577
Tyson Miller
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
Brad Keller
R
 0 0 3.00 8 2 0 1 0.0% 9.0 9 3 3 0 3 0 1 12 0 0 1.333 0.250 0.325 0.278 0.603
Ethan Roberts
R
 1 0 1.69 7 0 0 0 0.0% 5.3 4 1 1 1 1 0 0 4 1 0 0.938 0.211 0.250 0.368 0.618
Jordan Wicks
L
 0 1 13.50 2 0 0 0 0.0% 2.0 6 5 3 0 0 0 0 2 0 0 3.000 0.545 0.545 0.545 1.091
Daniel Palencia
R
 0 0 3.86 3 0 0 0 0.0% 4.7 2 2 2 1 2 0 0 3 0 0 0.857 0.125 0.222 0.375 0.597
Luke Little
L
 0 0 13.50 1 0 0 0 0.0% 0.7 0 1 1 0 4 0 0 0 0 0 6.000 0.000 0.800 0.000 0.800
Justin Steele
L
 3 1 4.76 4 0 0 0 0.0% 22.7 21 12 12 5 5 0 1 21 0 0 1.147 0.247 0.297 0.471 0.767
Shota Imanaga
L
 2 1 2.22 5 0 0 0 0.0% 28.3 18 8 7 4 10 0 0 21 0 0 0.988 0.176 0.250 0.353 0.603
Matt Boyd
L
 1 2 2.01 4 0 0 0 0.0% 22.3 19 5 5 1 9 0 2 20 0 0 1.254 0.229 0.319 0.277 0.596
Ben Brown
R
 2 1 4.57 5 0 0 0 0.0% 21.7 25 12 11 3 13 0 2 26 0 0 1.754 0.278 0.381 0.400 0.781
Javier Assad
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

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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 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
 0.00 -0.38 0.80 1.10 1.17 1.10 1.24 0.0% 63.7% 3.8% 1.3 38.5% 12.9 10.00 1.57 100.0% 4.50 3 1 33.3%
A.J. Puk
L
 3.38 4.95 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
 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%
Joe Mantiply
L
 15.95 15.35 18.94 7.74 6.09 7.74 7.82 6.7% 67.3% 4.4% 2.5 15.6% 8.6 3.50 1.23 53.2% 2.50 1 0 0.0%
Ryan Thompson
R
 3.52 1.09 1.45 2.58 2.69 2.58 2.56 0.0% 68.0% 12.9% 4.7 25.8% 9.4 2.00 1.57 62.5% 4.00 4 0 0.0%
Bryce Jarvis
R
 7.36 4.18 4.57 4.05 3.90 4.05 4.12 3.2% 60.8% 9.1% 3.7 27.3% 11.0 3.00 1.64 52.1% 1.75 1 0 0.0%
Shelby Miller
R
 0.00 -1.90 0.20 2.00 1.93 2.00 1.99 0.0% 71.4% 5.9% 1.8 29.4% 9.0 5.00 1.20 75.0% 1.14 2 1 50.0%
Kendall Graveman
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%
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
 0.69 0.30 0.81 2.64 2.64 2.64 2.44 2.1% 66.5% 6.4% 2.1 29.8% 9.7 4.67 1.31 106.1% 3.20 4 0 0.0%
Ryne Nelson
R
 8.44 4.64 4.16 2.63 2.70 2.63 2.64 2.1% 66.7% 4.3% 1.7 25.5% 10.1 6.00 1.31 36.8% 2.20 1 0 0.0%
Zac Gallen
R
 5.60 4.74 4.61 4.89 4.65 4.89 4.89 4.1% 58.3% 10.7% 4.3 23.8% 9.5 2.23 1.54 69.7% 0.73 0 0 0.0%
Corbin Burnes
R
 4.64 4.84 5.08 5.49 5.35 5.49 5.49 4.4% 63.8% 9.4% 3.8 17.7% 7.2 1.89 1.22 72.0% 4.00 0 0 0.0%
Eduardo Rodriguez
L
 4.09 4.15 3.86 2.46 2.56 2.46 2.45 2.1% 64.2% 6.3% 2.5 30.2% 11.9 4.83 1.59 62.5% 3.00 0 0 0.0%
Brandon Pfaadt
R
 3.04 4.01 3.69 5.09 4.99 5.09 5.08 5.4% 64.4% 5.1% 1.9 18.4% 6.8 3.60 0.97 95.0% 2.44 0 0 0.0%

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 Chicago Cubs 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%
Ryan Pressly
R
 2.45 4.92 5.30 5.01 5.15 5.01 5.07 2.1% 60.1% 11.8% 4.9 9.8% 4.1 0.83 1.00 84.3% 3.40 0 0 0.0%
Porter Hodge
R
 6.75 4.86 5.00 3.29 3.25 3.29 3.29 2.1% 66.5% 10.2% 4.2 26.5% 11.0 2.60 1.69 57.7% 1.60 4 3 75.0%
Ryan Brasier
R
 9.00 9.95 11.63 4.10 4.00 4.10 3.61 0.0% 60.0% 16.7% 9.0 16.7% 9.0 1.00 2.00 66.7% 0.00 0 0 0.0%
Caleb Thielbar
L
 4.00 0.79 1.36 3.88 4.22 3.88 3.51 0.0% 58.0% 18.9% 7.0 18.9% 7.0 1.00 1.56 60.0% 0.67 4 0 0.0%
Julian Merryweather
R
 1.93 2.89 2.75 2.35 2.55 2.35 2.06 0.0% 63.8% 7.5% 2.9 20.0% 7.7 2.67 1.18 83.3% 2.20 2 0 0.0%
Colin Rea
R
 1.32 2.58 2.28 1.56 1.83 1.56 1.55 0.0% 64.7% 1.8% 0.7 21.4% 7.9 12.00 0.95 86.7% 1.50 1 1 100.0%
Tyson Miller
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%
Brad Keller
R
 3.00 3.07 3.32 1.77 2.01 1.77 1.80 0.0% 66.2% 7.5% 3.0 30.0% 12.0 4.00 1.67 76.9% 1.60 2 1 50.0%
Ethan Roberts
R
 1.69 3.04 2.56 4.60 4.55 4.60 4.49 5.0% 66.7% 4.8% 1.7 19.0% 6.8 4.00 0.94 111.1% 2.00 7 3 42.9%
Jordan Wicks
L
 13.50 12.61 14.52 1.10 2.05 1.10 0.86 0.0% 69.4% 0.0% 0.0 16.7% 9.0 0.00 1.00 16.7% 0.00 0 0 0.0%
Daniel Palencia
R
 3.86 2.22 1.81 5.89 6.07 5.89 5.75 5.6% 68.7% 11.1% 3.9 16.7% 5.8 1.50 1.07 76.9% 0.00 2 0 0.0%
Luke Little
L
 13.50 12.29 16.54 21.10 27.50 21.10 20.37 0.0% 44.1% 66.7% 54.0 0.0% 0.0 0.00 6.00 75.0% 0.00 0 0 0.0%
Justin Steele
L
 4.76 4.30 3.93 4.91 4.75 4.91 4.91 5.5% 70.3% 5.3% 2.0 22.1% 8.3 4.20 1.15 75.0% 2.56 0 0 0.0%
Shota Imanaga
L
 2.22 2.47 2.04 4.51 4.55 4.51 4.51 3.6% 68.8% 8.8% 3.2 18.6% 6.7 2.10 1.09 89.3% 0.96 0 0 0.0%
Matt Boyd
L
 2.01 2.89 3.12 3.37 3.45 3.37 3.36 1.1% 64.5% 9.3% 3.6 20.6% 8.1 2.22 1.30 87.4% 0.79 0 0 0.0%
Ben Brown
R
 4.57 5.72 6.15 4.58 4.32 4.58 4.57 2.9% 62.8% 12.4% 5.4 24.8% 10.8 2.00 1.80 78.2% 1.55 0 0 0.0%
Javier Assad
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%
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.