Jack Flaherty, baseball player, 2017

Jack Flaherty

Active Player

Born: 10/15/1995 in Burbank, CA, USA

MLB Debut: 2017-09-01

Bats: R | Throws: R | Height: 6'4" | Weight: 225 lbs

Full name: Jack Rafe Flaherty

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Biography

Jack Flaherty is a professional baseball pitcher, born in 1995, who currently plays in Major League Baseball. Since making his debut on September 1, 2017, Flaherty has established himself as a key player on the mound with a career record of 55-41 and an earned run average (ERA) of 3.63. Known for his ability to strike out batters, he has accumulated 942 strikeouts throughout his career, showcasing his effectiveness and skill in high-pressure situations. Flaherty's playing style is characterized by his strong command and competitive spirit, making him a formidable opponent for hitters. As an active player, he continues to contribute significantly to his team's success, demonstrating resilience and a dedication to the game. His performance places him among the notable pitchers of his generation, and he remains an influential figure in contemporary baseball, particularly during an era marked by increased emphasis on pitching strategies and analytics. Flaherty's ongoing career and achievements ensure that he is a player to watch in the coming seasons.

Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
63 57 195 189 0 0 0 1014.0 853 427 136 371 1154 3.79 0

Career ERA 3.79 vs. league average 4.23 across their career seasons — 10.4% better than league average.

Season-by-Season Pitching

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2017 STL NL 0 2 6 5 0 0 0 21.3 23 15 10 20 6.33 4.36 (-45%) -
2018 STL NL 8 9 28 28 0 0 0 151.0 108 56 59 182 3.34 4.15 (+20%) -
2019 STL NL 11 8 33 33 0 0 0 196.3 135 60 55 231 2.75 4.51 (+39%) -
2020 STL NL 4 3 9 9 0 0 0 40.3 33 22 16 49 4.91 4.45 (-10%) -
2021 STL NL 9 2 17 15 0 0 0 78.3 57 28 26 85 3.22 4.27 (+25%) -
2022 STL NL 2 1 9 8 0 0 0 36.0 36 17 22 33 4.25 3.97 (-7%) -
2023 STL NL 7 6 20 20 0 0 0 109.7 116 54 54 106 4.43 4.33 (-2%) -
2023 BAL AL 1 3 9 7 0 0 0 34.7 46 26 12 42 6.75 4.33 (-56%) -445.0
2024 DET AL 7 5 18 18 0 0 0 106.7 83 35 19 133 2.95 4.08 (+28%) 2612.0
2024 LAD NL 6 2 10 10 0 0 0 55.3 52 22 19 61 3.58 4.08 (+12%) -
2025 DET AL 8 15 31 31 0 0 0 161.0 147 83 59 188 4.64 4.14 (-12%) 1285.2
2026 DET AL 0 1 5 5 0 0 0 23.3 17 9 20 24 3.47 3.82 (+9%) -

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
198 123 8 19 3 0 1 7 1 9 46 0.154 0.209 0.203 0.412 -401.6

Career AVG .154 vs. league average .247 across their career seasons — 37.5% below league average.

Career OBP .209 vs. league average .318 across their career seasons — 34.2% below league average.

Career SLG .203 vs. league average .412 across their career seasons — 50.7% below league average.

Career OPS 0.412 vs. league average 0.730 across their career seasons — 43.5% below league average.

Season-by-Season Batting

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
2017 STL NL 6 6 0 0 0 0 0 0 0 0 2 0.000 — — — — 0.0
2018 STL NL 31 46 2 7 0 0 0 0 0 2 20 0.152 — — — — 0.0
2019 STL NL 38 54 4 10 3 0 0 4 1 2 17 0.185 .252 (-27%) .322 (-35%) .434 (-45%) .757 (-40%) -401.6
2020 STL NL 9 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2021 STL NL 17 17 2 2 0 0 1 3 0 5 7 0.118 — — — — 0.0
2022 STL NL 9 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2023 STL NL 20 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2023 BAL AL 9 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2024 DET AL 18 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2024 LAD NL 10 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2025 DET AL 31 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
13 6 1 0 0 0 0 1 1 4 0.000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
2025 ALDS2 DET 2 0 0 0 0 0 0 0 0 0 .000
2025 ALWC1 DET 1 0 0 0 0 0 0 0 0 0 .000
2024 NLCS LAN 2 0 0 0 0 0 0 0 0 0 .000
2024 NLDS2 LAN 1 0 0 0 0 0 0 0 0 0 .000
2024 WS LAN 2 0 0 0 0 0 0 0 0 0 .000
2023 ALDS1 BAL 1 0 0 0 0 0 0 0 0 0 .000
2020 NLWC2 SLN 1 0 0 0 0 0 0 0 0 0 .000
2019 NLCS SLN 1 1 0 0 0 0 0 0 0 1 0.000
2019 NLDS2 SLN 2 5 1 0 0 0 0 1 1 3 0.000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
2 6 13 11 0 57.0 56 32 26 58 5.05

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
2025 ALDS2 DET 0 1 2 1 0 5.3 4 3 6 8 5.06
2025 ALWC1 DET 0 0 1 1 0 4.7 3 1 2 4 1.93
2024 NLCS LAN 1 1 2 2 0 10.0 10 8 6 6 7.20
2024 NLDS2 LAN 0 1 1 1 0 5.3 5 4 1 2 6.75
2024 WS LAN 0 0 2 2 0 6.7 9 6 2 7 8.10
2023 ALDS1 BAL 0 0 1 0 0 2.0 2 1 3 1 4.50
2020 NLWC2 SLN 0 1 1 1 0 6.0 6 1 2 8 1.50
2019 NLCS SLN 0 1 1 1 0 4.0 5 4 2 6 9.00
2019 NLDS2 SLN 1 1 2 2 0 13.0 12 4 2 16 2.77

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 190 184 80 87 5 8

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
2017 SLN P 6 5 1 3 0 0
2018 SLN P 28 28 7 11 2 0
2019 SLN P 33 33 18 23 0 4
2020 SLN P 9 9 1 4 0 0
2021 SLN P 17 15 7 6 1 0
2022 SLN P 9 8 3 3 2 0
2023 SLN P 20 20 14 7 0 1
2023 BAL P 9 7 4 7 0 2
2024 DET P 18 18 6 6 0 0
2024 LAN P 10 10 4 3 0 0
2025 DET P 31 31 15 14 0 1

Career Games by Position

Position Games
Pitcher 190

Awards & Honors

Year Award Notes
2019 All-MLB Team - Second Team SP
2019 Pitcher of the Month August
2019 Pitcher of the Month September

Award Voting History

Year Award League Finish Points Won Points Max Votes First
2019 Cy Young Award NL 4th 69.0 210 0
2019 Most Valuable Player NL 13th 9.0 420 0
2018 Rookie of the Year NL 5th 2.0 150 0