What years did Stephen Kolek play?

Stephen Kolek played in Major League Baseball from 2024 to 2026.

Was Stephen Kolek a pitcher?

Yes. Stephen Kolek pitched in the major leagues, recording 12 wins and 150 strikeouts.

Stephen Kolek

Pitcher · Career Stats, Bio & Records (2024-2026)

Active Player

W–L 12–10

ERA 4.13

WHIP 1.25

SO 150

Pitcher PIV 1559.8

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 210 lb
Born: 4/18/1997 in Houston, TX, USA
MLB Debut: 2024-03-21

Full name: Stephen James Kolek

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
12	10	71	29	2	2	0	213.3	212	98	21	55	150	4.13	1559.8

Career ERA 4.13 vs. league average 4.13 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	W	L	G	GS	CG	SHO	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2024	SDN	NL	3	0	42	0	0	0	46.7	59	27	12	39	5.21	4.08 (-28%)	594.2
2025	SDN	NL	4	5	14	14	1	1	79.7	78	37	26	56	4.18	4.16 (-1%)	-236.8
2025	KCA	AL	1	2	5	5	0	0	33.0	20	7	5	21	1.91	4.16 (+54%)	1202.4
2026	KC	AL	4	3	10	10	1	1	54.0	55	27	12	34	4.50	4.16 (-8%)	-
Career · 4 seasons			12	10	71	29	2	2	213.1	212	98	55	150	4.13	—	1,560

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
61	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2024	SDN	NL	42	.000	—	—	—	—	0.0
2025	SDN	NL	14	.000	—	—	—	—	0.0
2025	KCA	AL	5	.000	—	—	—	—	0.0
Career · 3 seasons			61	—	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (122 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Split	G	AB	R	H	HR	RBI	AVG
Home	29	0	0	0	0	0	—
Away	32	0	0	0	0	0	—

Pitching — Home / Away

Split	G	IP	H	ER	BB	SO	ERA
Home	29	67.1	71	37	13	55	4.95
Away	32	92.0	86	34	30	61	3.33

Last 10 Games — Pitching

Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2025-09-24	KCR	LAA	L	6.0	5	3	2	2	2	1
2025-09-18	KCR	SEA	L	7.1	2	2	1	1	8	0
2025-09-11	KCR	CLE	—	6.2	3	1	1	1	4	0
2025-09-06	KCR	MIN	W	7.0	6	2	2	1	4	0
2025-08-30	KCR	DET	—	6.0	4	1	1	0	3	0
2025-07-27	SDP	STL	W	6.0	4	2	2	3	2	1
2025-07-22	SDP	MIA	L	5.2	8	3	3	1	5	0
2025-07-05	SDP	TEX	L	5.1	9	6	6	1	2	2
2025-06-29	SDP	CIN	—	5.2	3	1	1	1	5	0
2025-06-23	SDP	WAS	L	4.1	5	5	4	1	5	0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	61	19	8	13	2	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E
2024	SDN	P	42	0	1	8	0
2025	SDN	P	14	14	4	4	1
2025	KCA	P	5	5	3	1	1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position	Games
Pitcher	61

Frequently Asked Questions about Stephen Kolek

What years did Stephen Kolek play?: Stephen Kolek played in Major League Baseball from 2024 to 2026.
Was Stephen Kolek a pitcher?: Yes. Stephen Kolek pitched in the major leagues, recording 12 wins and 150 strikeouts.