Stephen Kolek

Bats R Throws R6'3" 210 lbBorn 1997 Houston, USADebut 2024Team KCDraft 2018 R11 #344 Los Angeles Dodgers, Texas A&MContract 1 y/$793,250 (26) 2026: $786,806

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	503	16.7	6.8	2.65	22.2	6.52	102.1
2027							102.5
2028							100.3

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 28

His ten closest age-28 comparables averaged 106 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	Ross Stripling	2018	104.4	107.7	370
2	Marco Estrada	2012	103.0	108.1	512
3	Seth Lugo	2018	106.8	123.8	314
4	Philip Humber	2011	105.1	87.7	462
5	Jeremy Guthrie	2007	102.6	107.6	796
6	Felix Peña	2018	100.1	107.0	407
7	Phil Coke	2011	105.4	85.6	245
8	Tanner Roark	2015	107.5	110.6	855
9	Daniel Ponce de Leon	2020	106.0	83.2	158
10	Brent Suter	2018	102.0	143.3	65

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									503				102.5
2026*									224				96.6	100.9	97.5
2025	KC	5	7	3.51	19	19	0	112.7	461	9	31	77	110.1	96.5	106.6
2024	SD	3	0	5.21	42	0	0	46.7	211	4	12	39	92.9	98.9	91.9
Career		8	7	4.01	61	19	0	159.3	672	13	43	116	104.7		102.0

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	KC	P	19	113	7	5	2	0	0.857	-2.0
2024	SD	P	42	47	1	8	0	0	1.000	-0.3

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

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2026	AAA	Omaha Storm Chasers	Pit	83	19.0 IP, 20% K	3.32
2025	AAA	El Paso Chihuahuas	Pit	125	27.0 IP, 17% K	6.00
2025	AAA	Omaha Storm Chasers	Pit	96	19.0 IP, 21% K	6.63
2025	AAA	nan	Pit	221	46.0 IP, 19% K	6.26
2023	AAA	Tacoma Rainiers	Pit	263	61.2 IP, 25% K	4.26
2023	AA	Arkansas Travelers	Pit	27	7.2 IP, 41% K	0.00
2022	AA	Arkansas Travelers	Pit	636	143.2 IP, 22% K	4.53
2021	A+	Everett AquaSox	Pit	245	54.2 IP, 27% K	5.98
2019	A	Great Lakes Loons	Pit	580	131.1 IP, 19% K	5.01
2018	A	Great Lakes Loons	Pit	102	27.1 IP, 26% K	0.66
2018	Rk	Ogden Raptors	Pit	21	4.1 IP, 14% K	6.59

Splits

Year	vs LHP	vs RHP	Home	Away
2026	0.327	0.342	0.333	0.335
2025	0.317	0.281	0.314	0.292
2024	0.286	0.390	0.331	0.362

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