| Position | Starter | 
|---|---|
| Height | 6'4" | 
| Weight | 225 | 
| Age | 30 | 
| Birthdate | Oct 15, 1995 | 
| Birthplace | Burbank, CA, USA | 
| School | Harvard-Westlake School (CA) | 
Jack Flaherty Projections, Player Props and Stats
Strikeouts Thrown
(2025) avg
| Date | Opponent | K | Close | 
|---|---|---|---|
| Oct 10 | @ | 2 | - | 
| Oct 7 | vs | 6(o) | 4.5 | 
| Oct 2 | @ | 4(u) | 4.5 | 
| Sep 24 | @ | 6(o) | 5.5 | 
| Sep 17 | vs | 4(u) | 5.5 | 
| Sep 10 | @ | 7(o) | 5.5 | 
| Sep 5 | vs | 2(u) | 6.5 | 
| Aug 30 | @ | 4(u) | 4.5 | 
| Aug 24 | vs | 3(u) | 5.5 | 
| Aug 18 | vs | 9(o) | 6.5 | 
| Last 10 average | 4.7 | ||
Outs Recorded
(2025) avg
| Date | Opponent | Outs | Close | 
|---|---|---|---|
| Oct 10 | @ | 6 | - | 
| Oct 7 | vs | 10(u) | 14.5 | 
| Oct 2 | @ | 14(o) | 11.5 | 
| Sep 24 | @ | 13(u) | 15.5 | 
| Sep 17 | vs | 15(u) | 15.5 | 
| Sep 10 | @ | 15(o) | 14.5 | 
| Sep 5 | vs | 13(u) | 16.5 | 
| Aug 30 | @ | 17(u) | 17.5 | 
| Aug 24 | vs | 15(u) | 17.5 | 
| Aug 18 | vs | 21(o) | 17.5 | 
| Last 10 average | 13.9 | ||
To Record A Win
(2025) total wins
| Date | Opponent | Wins | Close | 
|---|---|---|---|
| Oct 10 | @ | - | - | 
| Oct 7 | vs | - | 515 | 
| Oct 2 | @ | - | 569 | 
| Sep 24 | @ | - | 230 | 
| Sep 17 | vs | - | 192 | 
| Sep 10 | @ | W | 313 | 
| Sep 5 | vs | - | 150 | 
| Aug 30 | @ | - | 150 | 
| Aug 24 | vs | - | 160 | 
| Aug 18 | vs | W | 145 | 
| Wins in last 10 | 2 | ||
Hits Allowed
(2025) avg
| Date | Opponent | Hits | Close | 
|---|---|---|---|
| Oct 10 | @ | 0 | - | 
| Oct 7 | vs | 4(o) | 3.5 | 
| Oct 2 | @ | 3(u) | 3.5 | 
| Sep 24 | @ | 5(o) | 4.5 | 
| Sep 17 | vs | 3(u) | 4.5 | 
| Sep 10 | @ | 2(u) | 3.5 | 
| Sep 5 | vs | 6(o) | 4.5 | 
| Aug 30 | @ | 4(u) | 5.5 | 
| Aug 24 | vs | 10(o) | 4.5 | 
| Aug 18 | vs | 3(u) | 4.5 | 
| Last 10 average | 4.0 | ||
Walks Given
(2025) avg
| Date | Opponent | W | Close | 
|---|---|---|---|
| Oct 10 | @ | 3 | - | 
| Oct 7 | vs | 3 | - | 
| Oct 2 | @ | 2 | - | 
| Sep 24 | @ | 0 | - | 
| Sep 17 | vs | 3 | - | 
| Sep 10 | @ | 1 | - | 
| Sep 5 | vs | 2 | - | 
| Aug 30 | @ | 2 | - | 
| Aug 24 | vs | 0 | - | 
| Aug 18 | vs | 1 | - | 
| Last 10 average | 1.7 | ||
Earned Runs Allowed
(2025) avg
| Date | Opponent | E. Run | Close | 
|---|---|---|---|
| Oct 10 | @ | 0 | - | 
| Oct 7 | vs | 3(o) | 1.5 | 
| Oct 2 | @ | 1(u) | 1.5 | 
| Sep 24 | @ | 3(o) | 2.5 | 
| Sep 17 | vs | 1(u) | 1.5 | 
| Sep 10 | @ | 0(u) | 2.5 | 
| Sep 5 | vs | 4(o) | 1.5 | 
| Aug 30 | @ | 1(u) | 2.5 | 
| Aug 24 | vs | 8(o) | 1.5 | 
| Aug 18 | vs | 0(u) | 1.5 | 
| Last 10 average | 2.1 | ||
Jack Flaherty Game Logs
| 2025 Game Log | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Opp | Score | M/L | O/U | S/R | RES | IP | H | R | ER | SO | BB | HR | PIT | P/IP | G/F | 
| Oct 10 | @  SEA | L 3 - 2 F/15 | L -113 | U 5.5 | R | ND | 2.0 | 0 | 0 | 0 | 2 | 3 | 0 | 43 | 21.5 | 0.00 | 
| Oct 7 | vs  SEA | L 8 - 4 | L 121 | O 7.5 | S | L | 3.1 | 4 | 4 | 3 | 6 | 3 | 1 | 76 | 22.8 | 0.50 | 
| Oct 2 | @  CLE | W 6 - 3 | W 112 | O 7.0 | S | ND | 4.2 | 3 | 1 | 1 | 4 | 2 | 0 | 74 | 15.9 | 1.50 | 
| Sep 24 | @  CLE | L 5 - 1 | L 118 | U 7.5 | S | L | 4.1 | 5 | 3 | 3 | 6 | 0 | 1 | 83 | 19.2 | 6.00 | 
| Sep 17 | vs  CLE | L 4 - 0 | L -139 | U 8.0 | S | L | 5.0 | 3 | 1 | 1 | 4 | 3 | 0 | 95 | 19.0 | 0.67 | 
| Sep 10 | @  NYY | W 11 - 1 | W 149 | O 8.0 | S | W | 5.0 | 2 | 0 | 0 | 7 | 1 | 0 | 99 | 19.8 | 2.00 | 
| Sep 5 | vs  CHW | L 7 - 5 | L -183 | O 8.5 | S | ND | 4.1 | 6 | 4 | 4 | 2 | 2 | 0 | 83 | 19.2 | 0.00 | 
| Aug 30 | @  KC | L 3 - 1 | L -114 | U 9.0 | S | ND | 5.2 | 4 | 1 | 1 | 4 | 2 | 1 | 101 | 17.8 | 2.33 | 
| Aug 24 | vs  KC | L 10 - 8 | L -146 | O 8.0 | S | L | 5.0 | 10 | 8 | 8 | 3 | 0 | 1 | 87 | 17.4 | 6.00 | 
| Aug 18 | vs  HOU | W 10 - 0 | W -145 | O 8.0 | S | W | 7.0 | 3 | 0 | 0 | 9 | 1 | 0 | 90 | 12.9 | 3.00 | 
| Aug 12 | @  CHW | L 9 - 6 | L -161 | O 8.5 | S | L | 4.1 | 8 | 5 | 5 | 6 | 1 | 0 | 86 | 19.8 | 0.17 | 
| Aug 6 | vs  MIN | L 9 - 4 | L -196 | O 9.0 | S | L | 4.2 | 8 | 6 | 5 | 3 | 1 | 1 | 82 | 17.6 | 1.20 | 
| Aug 1 | @  PHI | L 5 - 4 | L 134 | O 7.5 | S | ND | 6.0 | 2 | 1 | 1 | 7 | 3 | 0 | 95 | 15.8 | 3.00 | 
| Jul 27 | vs  TOR | W 10 - 4 | W -113 | O 8.5 | S | W | 6.0 | 5 | 0 | 0 | 7 | 1 | 0 | 106 | 17.7 | 5.00 | 
| Jul 21 | @  PIT | L 3 - 0 | L 120 | U 7.0 | S | L | 3.0 | 6 | 3 | 3 | 6 | 3 | 0 | 78 | 26.0 | 1.00 | 
| Jul 13 | vs  SEA | L 8 - 4 | L -108 | O 8.0 | S | ND | 5.0 | 4 | 2 | 2 | 7 | 2 | 2 | 93 | 18.6 | 3.00 | 
| Jul 8 | vs  TB | W 4 - 2 | W -121 | U 8.0 | S | ND | 6.1 | 7 | 2 | 2 | 8 | 1 | 1 | 93 | 14.7 | 3.00 | 
| Jul 2 | @  WAS | L 9 - 4 | L -101 | O 8.0 | S | ND | 5.0 | 5 | 3 | 3 | 9 | 2 | 0 | 97 | 19.4 | 0.25 | 
| Jun 25 | vs  ATH | L 3 - 0 | L -177 | U 8.5 | S | L | 6.0 | 5 | 3 | 3 | 7 | 4 | 1 | 90 | 15.0 | 0.80 | 
| Jun 20 | @  TB | L 14 - 8 | L -107 | O 8.0 | S | L | 2.1 | 6 | 8 | 8 | 3 | 3 | 1 | 74 | 31.7 | 0.00 | 
| Jun 14 | vs  CIN | L 11 - 1 | L -181 | O 8.0 | S | L | 4.2 | 5 | 7 | 7 | 5 | 5 | 3 | 94 | 20.1 | 2.50 | 
| Jun 8 | vs  CHC | W 4 - 0 | W -118 | U 8.5 | S | W | 6.0 | 2 | 0 | 0 | 9 | 3 | 0 | 94 | 15.7 | 0.67 | 
| Jun 2 | @  CHW | W 13 - 1 | W -242 | O 8.5 | S | W | 6.0 | 4 | 1 | 1 | 4 | 1 | 0 | 99 | 16.5 | 2.00 | 
| May 27 | vs  SF | W 3 - 1 | W 106 | U 7.5 | S | W | 6.0 | 2 | 0 | 0 | 8 | 1 | 0 | 97 | 16.2 | 0.40 | 
| May 22 | vs  CLE | L 7 - 0 | L -122 | U 8.0 | S | L | 6.2 | 3 | 3 | 3 | 8 | 3 | 1 | 108 | 16.2 | 1.67 | 
| May 16 | @  TOR | W 5 - 4 | W -110 | P 9.0 | S | W | 5.2 | 5 | 2 | 2 | 6 | 1 | 1 | 90 | 15.9 | 0.60 | 
| May 10 | vs  TEX | L 10 - 3 | L 111 | O 7.5 | S | L | 3.0 | 4 | 5 | 5 | 4 | 2 | 4 | 73 | 24.3 | 0.33 | 
| May 3 | @  LAA | L 5 - 2 | L -194 | U 8.5 | S | L | 5.2 | 8 | 5 | 4 | 8 | 1 | 0 | 91 | 16.1 | 1.00 | 
| Apr 28 | @  HOU | L 8 - 5 | L 108 | O 7.5 | S | L | 5.0 | 6 | 4 | 4 | 4 | 2 | 2 | 89 | 17.8 | 2.50 | 
| Apr 22 | vs  SD | L 2 - 0 | L -136 | U 7.0 | S | L | 6.0 | 5 | 2 | 2 | 9 | 0 | 1 | 96 | 16.0 | 1.67 | 
| Apr 15 | @  MIL | L 5 - 0 | L -102 | U 8.0 | S | L | 4.2 | 5 | 3 | 3 | 4 | 2 | 1 | 98 | 21.0 | 1.67 | 
| Apr 9 | vs  NYY | L 4 - 3 | L 131 | P 7.0 | S | ND | 5.1 | 3 | 0 | 0 | 9 | 3 | 0 | 92 | 17.3 | 0.67 | 
| Apr 4 | vs  CHW | W 7 - 4 | W -227 | O 7.0 | S | W | 5.2 | 3 | 1 | 1 | 7 | 2 | 0 | 95 | 16.8 | 2.50 | 
| Mar 28 | @  LAD | L 8 - 5 F/10 | L 188 | O 7.5 | S | ND | 5.2 | 3 | 2 | 2 | 5 | 2 | 1 | 83 | 14.6 | 1.50 | 
Jack Flaherty's Pitching Statistics for Regular Season
| Season | Team | G | GS | W | L | SV | BS | ERA | CG | SHO | IP | H | R | ER | BB | SO | HR | WP | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | DET | 31 | 31 | 8 | 15 | 0 | 0 | 4.64 | 0 | 0 | 161.0 | 147 | 85 | 83 | 58 | 188 | 23 | 4 | 
| 2024 | DET | 18 | 18 | 7 | 5 | 0 | 0 | 2.95 | 0 | 0 | 106.7 | 83 | 38 | 35 | 19 | 133 | 15 | 4 | 
| 2024 | LAD | 10 | 10 | 6 | 2 | 0 | 0 | 3.58 | 0 | 0 | 55.3 | 52 | 23 | 22 | 19 | 61 | 9 | 2 | 
| 2023 | STL | 20 | 20 | 7 | 6 | 0 | 0 | 4.43 | 0 | 0 | 109.7 | 116 | 56 | 54 | 54 | 106 | 10 | 6 | 
| 2023 | BAL | 9 | 7 | 1 | 3 | 0 | 0 | 6.75 | 0 | 0 | 34.7 | 46 | 27 | 26 | 10 | 42 | 7 | 2 | 
| 2022 | STL | 9 | 8 | 2 | 1 | 0 | 0 | 4.25 | 0 | 0 | 36.0 | 36 | 18 | 17 | 22 | 33 | 4 | 0 | 
| 2021 | STL | 17 | 15 | 9 | 2 | 0 | 0 | 3.22 | 0 | 0 | 78.3 | 57 | 35 | 28 | 25 | 85 | 12 | 4 | 
| 2020 | STL | 9 | 9 | 4 | 3 | 0 | 0 | 4.91 | 0 | 0 | 40.3 | 33 | 22 | 22 | 16 | 49 | 6 | 1 | 
| 2019 | STL | 33 | 33 | 11 | 8 | 0 | 0 | 2.75 | 0 | 0 | 196.3 | 135 | 62 | 60 | 53 | 231 | 25 | 6 | 
| 2018 | STL | 28 | 28 | 8 | 9 | 0 | 0 | 3.34 | 0 | 0 | 151.0 | 108 | 59 | 56 | 56 | 182 | 20 | 6 | 
| 2017 | STL | 6 | 5 | 0 | 2 | 0 | 0 | 6.33 | 0 | 0 | 21.3 | 23 | 15 | 15 | 9 | 20 | 4 | 0 | 
Jack Flaherty's Pitching Statistics for Post Season
| Season | Team | G | GS | W | L | SV | BS | ERA | CG | SHO | IP | H | R | ER | BB | SO | HR | WP | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | LAD | 5 | 5 | 1 | 2 | 0 | 0 | 7.36 | 0 | 0 | 22.0 | 24 | 18 | 18 | 9 | 15 | 6 | 0 | 
| 2020 | STL | 1 | 1 | 0 | 1 | 0 | 0 | 1.50 | 0 | 0 | 6.0 | 6 | 1 | 1 | 2 | 8 | 0 | 0 | 
| 2019 | STL | 3 | 3 | 1 | 2 | 0 | 0 | 4.24 | 0 | 0 | 17.0 | 17 | 8 | 8 | 4 | 22 | 2 | 3 | 
Pitching Splits
| Overall | Last 3 | Away | Home | Day | Night | |
|---|---|---|---|---|---|---|
| W-L | 8-15 | 0-1 | 3-7 | 5-9 | 0-0 | 8-16 | 
| ERA | 4.64 | 3.60 | 4.92 | 4.31 | 0.00 | 4.58 | 
| IP | 161.0 | 10.0 | 75.0 | 96.0 | 0.0 | 171.0 | 
| HITS | 147 | 7 | 72 | 82 | 0 | 154 | 
| RUNS | 85 | 5 | 42 | 48 | 0 | 90 | 
| ER | 83 | 4 | 41 | 46 | 0 | 87 | 
| SO | 188 | 12 | 85 | 115 | 0 | 200 | 
| BB | 58 | 8 | 29 | 37 | 0 | 66 | 
| HR | 23 | 1 | 8 | 16 | 0 | 24 | 
| OBP | .308 | .366 | .326 | .300 | .000 | .312 | 
| WHIP | 1.27 | 1.50 | 1.35 | 1.24 | 0.00 | 1.29 | 
| GB:FB | 1.43 | 1.50 | 1.40 | 1.46 | 0.00 | 1.43 | 
| SB | 7 | 0 | 5 | 2 | 0 | 7 | 
| CS | 2 | 2 | 3 | 1 | 0 | 4 | 
| SB% | 3.50 | 0.00 | 1.67 | 2.00 | 0.00 | 1.75 | 
| QS% | 0.32 | 0.00 | 0.13 | 0.44 | 0.00 | 0.30 | 
 
				 
                         
                         
                         
                        





 
                            
 
                             
                            
                            