Jack Flaherty

Bats R Throws R6'4" 225 lbBorn 1995 Burbank, USADebut 2017Team DETDraft 2014 R1 #34 St. Louis Cardinals, Harvard-Westlake (CA) HSContract 2 y/$35M (25-26) 2026: $20,000,000

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	571	26.4	7.8	3.34	21.3	6.64	100.8
2027							100.0
2028							99.6

Projected rates are per plate appearance or batter faced; counting stats scale with projected playing time. Statcast measurements inform these projections as inputs and are reported as measurements, not projected.

Most similar through age 29

His ten closest age-29 comparables averaged 95 PITCH+ the next season; 10 of 10 played. Averages cover only the players who got a next season, which is why the played count matters.

#	Player	Through	PITCH+ then	Next season	Next PA / BF
1	Jon Lester	2013	104.6	110.8	885
2	Yovani Gallardo	2015	103.8	90.4	526
3	Mark Buehrle	2008	102.5	101.8	874
4	Chris Archer	2018	105.0	96.1	526
5	Brett Myers	2010	102.7	98.0	917
6	Joe Blanton	2010	100.6	86.8	180
7	Jon Garland	2009	100.7	102.3	837
8	Tim Lincecum	2013	108.2	89.3	673
9	Noah Syndergaard	2022	107.4	82.0	391
10	Ian Kennedy	2014	100.4	90.1	713

Batting

Year	Team	G	PA	R	H	2B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	HIT+
2025	DET	31	0	0	0	0	0	0	0	0	0
2024	LAD	28	0	0	0	0	0	0	0	0	0
2023	BAL	29	0	0	0	0	0	0	0	0	0
2022	STL	9	0	0	0	0	0	0	0	0	0
2021	STL	17	26	2	2	0	1	3	0	5	7	0.118	0.304	0.294	0.598	78.6
2020	STL	9	0	0	0	0	0	0	0	0	0
2019	STL	38	66	4	10	3	0	4	1	2	17	0.185	0.211	0.241	0.451	14.7
2018	STL	31	52	2	7	0	0	0	0	2	20	0.152	0.188	0.152	0.340	-11.6
2017	STL	6	6	0	0	0	0	0	0	0	2	0.000	0.000	0.000	0.000	-119.1
Career		198	150	8	19	3	1	7	1	9	46	0.154	0.209	0.203	0.412	11.3

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									571				100.0
2026*									389				96.0	99.9	95.9
2025	DET	8	15	4.64	31	31	0	161.0	681	23	59	188	101.8	100.4	102.3
2024	LAD	13	7	3.17	28	28	0	162.0	649	24	38	194	107.6	99.8	107.4
2023	BAL	8	9	4.99	29	27	0	144.3	650	17	66	148	88.2	101.0	89.2
2022	STL	2	1	4.25	9	8	0	36.0	167	4	22	33	82.7	101.3	84.0
2021	STL	9	2	3.22	17	15	0	78.3	322	12	26	85	110.3	101.5	111.8
2020	STL	4	3	4.91	9	9	0	40.3	170	6	16	49	107.5	102.4	109.9
2019	STL	11	8	2.75	33	33	0	196.3	772	25	55	231	119.4	100.8	120.2
2018	STL	8	9	3.34	28	28	0	151.0	615	20	59	182	109.4	99.8	109.3
2017	STL	0	2	6.33	6	5	0	21.3	94	4	10	20	85.8	99.9	85.7
Career		63	56	3.80	190	184	0	990.7	4120	135	351	1130	104.8		105.4

Statcast

Year	PA	EV	LA	Barrel%	HardHit%	Whiff%	Chase%	xBA	xSLG	xwOBA	Sprint
2021	26	86.4	8.8	7.1	28.6	19.4	20.4	0.192	0.387	0.361
2019	66	86.5	6.7	0.0	19.1	27.5	29.1	0.194	0.250	0.206	27.2
2018	52	85.0	-4.8	0.0	20.0	25.0	31.2	0.148	0.177	0.169	25.9
2017	6	80.4	-10.0	0.0	25.0	20.0	33.3	0.091	0.098	0.084

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	DET	P	31	161	15	14	0	1	1.000	+0.4
2024	LAD	P	28	162	10	9	0	0	1.000	-0.2
2023	BAL	P	29	144	18	14	0	3	1.000	+0.8
2022	STL	P	9	36	3	3	2	0	0.750	+0.3
2021	STL	P	17	78	7	6	1	0	0.929	+0.6
2020	STL	P	9	40	1	4	0	0	1.000	+0.5
2019	STL	P	33	196	18	23	0	4	1.000	+0.8
2018	STL	P	28	151	7	11	2	0	0.900	-0.1
2017	STL	P	6	21	1	3	0	0	1.000	-0.0

Runs saved covers the Statcast era; for catchers it includes framing.

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2026	AA	Erie SeaWolves	Pit	22	5.2 IP, 32% K	3.46
2022	AAA	Memphis Redbirds	Pit	43	10.1 IP, 26% K	4.46
2022	AA	Springfield Cardinals	Pit	65	16.2 IP, 35% K	2.22
2021	AAA	Memphis Redbirds	Pit	21	5.0 IP, 38% K	3.60
2018	AAA	Memphis Redbirds	Pit	126	31.2 IP, 33% K	2.31
2017	AAA	Memphis Redbirds	Pit	339	85.1 IP, 25% K	2.75
2017	AA	Springfield Cardinals	Pit	242	63.1 IP, 26% K	1.43
2016	A+	Palm Beach Cardinals	Pit	564	134.0 IP, 22% K	3.56
2015	A	Peoria Chiefs	Pit	410	95.0 IP, 24% K	2.84
2014	Rk	GCL Cardinals	Pit	94	22.2 IP, 30% K	1.62

Splits

Year	vs LHP	vs RHP	Home	Away
2021	0.667	0.220	0.500	0.108
2019	0.227	0.213	0.254	0.180
2018	0.178	0.161	0.290	0.061
2017		0.000	0.000	0.000

wOBA by split, from pitch level data, 2015 on. For pitchers the split is the batter side faced.

Postseason batting

Year	G	AB	R	RBI	BB	SO	AVG	OBP	SLG	OPS
2020	1	0	0	0	0	0
2019	3	6	1	1	1	4	0.000	0.143	0.000	0.143
Career	4	6	1	1	1	4	0.000	0.143	0.000	0.143

Postseason pitching

Year	W	L	ERA	G	GS	IP	H	HR	BB	SO	WHIP
2025	0	1	3.60	3	2	10.0	7	1	8	12	1.50
2024	1	2	7.36	5	5	22.0	24	6	9	15	1.50
2023	0	0	4.50	1	0	2.0	2	0	3	1	2.50
2020	0	1	1.50	1	1	6.0	6	0	2	8	1.33
2019	1	2	4.24	3	3	17.0	17	2	4	22	1.24
Career	2	6	5.05	13	11	57.0	56	9	26	58	1.44