Jack Flaherty stats

Tigers

Starting Pitcher · #9

Age 31 · 6' 4" · 225 lbs

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Jack Flaherty recorded 3 wins, a 4.48 ERA and 103 strikeouts in 20 games of 2026 for the Detroit Tigers. Last game: .

Stats

Choose how these numbers are shown

Standard

GP
20
W
3
L
8
ERA
4.48
IP
88.1
K
103
BB
42
WHIP
1.39

Ranked among MLB players who qualify (W, IP, K: 10+ games; ERA, WHIP: 100+ IP) that season; only the top 50 are shown. How each stat qualifies: glossary.

Standard by season
GP: Games the player appeared in, however briefly.W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.K: Batters this pitcher struck out.BB: Times the batter reached first base on four balls.WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.
2017STL6026.3321.120101.55
2018STL28893.34151.0182591.11
2019STL391182.75196.1231550.97
2020STL9434.9140.149161.21
2021STL17923.2278.185261.06
2022STL9214.2536.033221.61
2023STL/BAL29894.99144.1148661.58
2024DET/LAD281373.17162.0194381.07
2025DET318154.64161.0188591.28
2026DET20384.4888.1103421.39

What the columns mean: W · L · ERA · IP · K · BB · WHIP

Career regular season

GP
216
W
66
L
64
ERA
3.85
IP
1,079.0
K
1,233
BB
393
WHIP
1.21

Career Postseason

GP
13
W
2
L
6
ERA
5.05
IP
57.0
K
58
BB
26
WHIP
1.44

Expanded

QS
2
CG
0
SHO
0
K/9
10.5
GB
77
FB
167
G/F
0.50
WP
5

Ranked among MLB players who qualify (QS, CG, SHO: 10+ GS; K/9: 100+ IP; G/F: 50+ IP) that season; only the top 50 are shown. How each stat qualifies: glossary.

Expanded by season
QS: Quality starts: six innings or more with no more than three earned runs.CG: Complete games, pitched from the first out to the last.SHO: Shutouts — complete games with no run allowed.K/9: Strikeouts for every nine innings pitched.GB: Ground balls hit against this pitcher.FB: Fly balls hit against this pitcher.G/F: Ground balls for every fly ball hit against this pitcher.WP: Wild pitches — throws the catcher had no chance to stop.
2017STL0008.4313210
2018STL100010.81572060.86
2019STL200010.61561880.86
2020STL20010.946560.81
2021STL9009.8821230.74
2022STL2008.337341.10
2023STL/BAL8009.21822410.88
2024DET/LAD150010.81662470.76
2025DET100010.51592700.64
2026DET20010.5771670.55

What the columns mean: QS · CG · SHO · K/9 · G/F · WP

Career regular season

QS
78
CG
0
SHO
0
K/9
10.3
GB
1,093
FB
1,564
G/F
0.70
WP
40

Bio

Age
31 yearsOct 15, 1995
Height
6' 4"
Weight
225 lbs
Experience
10 yearsDebut 2017
Birthplace
Burbank, CA
Draft
2014Rd 1, Pk 34

Latest performance

Jack Flaherty

Sep 27 · vs PIT · L 4-2

IP
2.0
H
1
R
0
ER
0
BB
0
K
1
HR
0
ERA
4.48

Games

All games
Most recent games
DateOpponentIPHRERK
Sun, Sep 27vsPITL 4-221001
Mon, Jul 20atCHCW 8-6 F/1044334
Fri, Jul 10vsPHIW 10-262226
Sat, Jul 04atTEXW 3-05.23005
Sun, Jun 28vsHOUL 7-5 F/1052009
Fri, Jun 12atCLEL 3-233221

What are Jack Flaherty's career stats?

Jack Flaherty has played 10 seasons for the Cardinals and the Tigers. He has 66 wins and 1,233 strikeouts with a 3.85 ERA over 1,079.0 innings. His best season so far is 2024: 13 wins, a 3.17 ERA and 194 strikeouts.

League leaderboards and awards

10 seasons, 5 postseasons, 2017 to 2026

Jack Flaherty finished top 10 in a stat 2 times.

Championships

Season top 10 finishes

Among qualified MLB players each season, as the glossary defines each stat. All-time places are among players on file.

More on Jack Flaherty

Playoff series

Jack Flaherty played 13 games across 5 MLB postseasons in 9 series — 2 won, 7 lost.

Jack Flaherty's line in each playoff series
IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.H: Times the batter reached base by hitting the ball, without help from an error.ER: Earned runs allowed — runs that scored without help from an error.K: Batters this pitcher struck out.
2025CLEWon 1-014.2314
2025SEALost 0-225.1438
2024SDLost 0-115.1542
2024NYMLost 1-1210.01086
2024NYYWon 2-026.2967
2023TEXLost 0-112.0211
2020SDLost 0-116.0618
2019ATLLost 1-1213.012416
2019WSHLost 0-114.0546

What the columns mean: IP · H · ER · K

Jack Flaherty’s playoff series, round by round

Totals, from MLB game logs since the 2001 postseason — earlier series are not counted.