MLB Player Intelligence

Jack Flaherty

SP · Detroit Tigers · #9

Bats/ThrowsR/R

Height6' 4"

Weight225 lbs

BirthplaceBurbank, CA

MLB Debut2016

Draft2014: Rd 1, Pk 34 (STL)

📊Full Stat Line (2026)

G20

GS19

QS2

HLD0

H81

ER44

HR11

BB42

K/910.49

WAR-0.07

🤚Career Splits by Handedness

vs Left-Handed Batters

AVG.226

OBP.315

SLG.384

OPS.699

169 PA · Ranks #274 of 640 qualified pitchers

vs Right-Handed Batters

AVG.272

OBP.326

SLG.504

OPS.830

138 PA · Ranks #516 of 659 qualified pitchers

Career totals from real plate-appearance data — lower OPS allowed is better for a pitcher.

⚔️This Season vs. Each Opponent

Opponent	ERA	IP	K	BB	Opp AVG
vs. TEX	3.86	9.1	9	3	.229
vs. BOS	2.16	8.1	13	7	.188
vs. KC	1.50	6.0	7	3	.105
vs. PHI	3.00	6.0	6	3	.100
vs. TOR	6.00	6.0	4	0	.217
vs. LAA	4.76	5.2	9	1	.273
vs. MIN	1.59	5.2	6	3	.250
vs. HOU	0.00	5.0	9	3	.118
vs. SEA	5.40	5.0	7	1	.286
vs. TB	0.00	5.0	6	2	.250
vs. SD	4.15	4.1	2	4	.235
vs. CHC	6.75	4.0	4	2	.250
vs. STL	11.25	4.0	6	4	.214
vs. NYM	7.36	3.2	2	3	.353
vs. BAL	8.10	3.1	7	0	.421
vs. CLE	6.00	3.0	1	1	.250
vs. CIN	27.00	2.0	4	2	.500
vs. PIT	0.00	2.0	1	0	.143

🏟️This Season at Each Ballpark

Ballpark	ERA	IP	K	BB	Opp AVG
Total	4.48	88.1	103	42	.238
Comerica Park	4.47	48.1	63	19	.199
Target Field	1.59	5.2	6	3	.250
Tropicana Field	0.00	5.0	6	2	.250
PETCO Park	4.15	4.1	2	4	.235
Wrigley Field	6.75	4.0	4	2	.250
Citi Field	7.36	3.2	2	3	.353
Camden Yards	8.10	3.1	7	0	.421
Fenway Park	0.00	3.1	3	6	.214
Progressive Field	6.00	3.0	1	1	.250
Great American	27.00	2.0	4	2	.500

📅By Month & Recent Form

Split	ERA	IP	K	BB	Opp AVG
Last 7 Days	0.00	2.0	1	0	.143
Last 15 Days	0.00	2.0	1	0	.143
Last 30 Days	0.00	2.0	1	0	.143
March	4.15	4.1	2	4	.235
April	5.57	21.0	26	18	.234
May	6.26	27.1	36	8	.289
June	2.50	18.0	23	7	.229
July	2.87	15.2	15	5	.161
September	0.00	2.0	1	0	.143

🎯Pitch Arsenal (2026)

Type	Pitches	Usage%	Zone%	Chase%	Whiff%	BA	wOBA	xwOBA
4-Seam Fastball	738	50.0%	33.2%	23.3%	21.6%	.217	.308	.323
Slider	342	23.2%	24.0%	37.5%	30.2%	.282	.338	.342
Knuckle Curve	292	19.8%	17.5%	61.8%	38.2%	.226	.347	.257
Sinker	64	4.3%	17.2%	46.1%	7.7%	.167	.317	.374
Changeup	40	2.7%	7.5%	57.1%	28.6%	.000	.000	.180

🌀Pitch Movement (2026)

Type	#	Velo	Spin	IVB	H-Break	Ext
4-Seam Fastball	400	92.3	2,239	+15.5"	+0.5"	6.6
Slider	175	84.7	2,427	+3.0"	-0.5"	6.5
Knuckle Curve	154	77.6	2,380	-9.9"	-0.9"	6.5
Sinker	29	91.1	2,044	+8.6"	+1.2"	6.6
Changeup	19	86.3	1,871	+7.7"	+1.3"	6.6

IVB = induced vertical break (gravity removed) · H-Break = horizontal movement · Ext = release extension in feet.

📋Recent Game Log

	Date	Opp	Score	IP	H	ER	BB	K	Outs	ERA	PC	Dec
L	Sunday, September 27, 2026	PIT	4-2	2.0	1	0	0	1	6	4.48	19	—
W	Monday, July 20, 2026	CHC	8-6	4.0	4	3	2	4	12	4.59	82	—
W	Friday, July 10, 2026	PHI	2-10	6.0	2	2	3	6	18	4.48	86	W
W	Saturday, July 4, 2026	TEX	3-0	5.2	3	0	0	5	17	4.60	88	W
L	Sunday, June 28, 2026	HOU	7-5	5.0	2	0	3	9	15	4.97	94	—
L	Friday, June 12, 2026	CLE	2-3	3.0	3	2	1	1	9	5.35	63	L
W	Sunday, June 7, 2026	SEA	4-5	5.0	6	3	1	7	15	5.31	87	—
W	Tuesday, June 2, 2026	TB	8-0	5.0	5	0	2	6	15	5.31	94	W
L	Thursday, May 28, 2026	LAA	7-1	5.2	6	3	1	9	17	5.81	91	L
L	Friday, May 22, 2026	BAL	4-7	3.1	8	3	0	7	10	5.94	78	L

👥Team — Detroit Tigers

Player	Pos	Key Stat
Spencer Torkelson	1B	.230 AVG
Hao-Yu Lee	2B	.264 AVG
Gleyber Torres	2B	.260 AVG
Jace Jung	3B	.222 AVG
Colt Keith	3B	.258 AVG
Dillon Dingler	C	.243 AVG
Thayron Liranzo	C	—
Max Clark	CF	.272 AVG
Trei Cruz	CF	.000 AVG
James Outman	CF	.172 AVG
Matt Vierling	CF	.207 AVG
Eduardo Valencia	DH	.341 AVG
Brett Callahan	LF	.211 AVG
Riley Greene	LF	.280 AVG
Corey Julks	LF	.286 AVG
Will Vest	Relief Pitcher	6.08 ERA
Kerry Carpenter	RF	.208 AVG
Ben Malgeri	RF	.250 AVG
Zach McKinstry	RF	18.00 ERA
Wenceel Perez	Right Fielder	.180 AVG
Drew Anderson	RP	3.67 ERA
Beau Brieske	RP	4.97 ERA
Enmanuel De Jesus	RP	3.83 ERA
Yilber Diaz	RP	16.50 ERA
Kyle Finnegan	RP	4.30 ERA
Sawyer Gipson-Long	RP	7.18 ERA
Brenan Hanifee	RP	5.06 ERA
Tyler Holton	RP	2.75 ERA
Brant Hurter	RP	3.06 ERA
Kenley Jansen	RP	3.20 ERA
Tyler Kinley	RP	3.45 ERA
Ty Madden	RP	3.26 ERA
Tanner Rainey	RP	3.86 ERA
Drew Sommers	RP	3.63 ERA
Jacob Waguespack	RP	2.49 ERA
Jackson Jobe	SP	3.91 ERA
Troy Melton	SP	2.76 ERA
Jake Miller	SP	—
Keider Montero	SP	3.48 ERA
River Ryan	SP	4.15 ERA
Andrew Sears	SP	7.11 ERA
Framber Valdez	SP	4.03 ERA
Justin Verlander	SP	7.00 ERA
Jackson Wolf	SP	—
Javier Baez	SS	.241 AVG
Kevin McGonigle	SS	.278 AVG
John Peck	SS	.162 AVG
Connor Seabold	Starting Pitcher	5.25 ERA

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