What years did Zack Kelly play?

Zack Kelly played in Major League Baseball from 2022 to 2026.

Was Zack Kelly a pitcher?

Yes. Zack Kelly pitched in the major leagues, recording 8 wins and 127 strikeouts.

What was Zack Kelly's career ERA?

Zack Kelly finished with a 4.04 career ERA, going 8-8 with 127 strikeouts.

How many strikeouts did Zack Kelly have?

Zack Kelly recorded 127 career strikeouts.

Is Zack Kelly in the Hall of Fame?

No. Zack Kelly has not been inducted into the National Baseball Hall of Fame.

What teams did Zack Kelly play for?

Zack Kelly played for the Boston Red Sox.

Zack Kelly

Pitcher · Career Stats, Bio & Records (2022-2026)

Zack Kelly is a pitcher who has played in Major League Baseball since 2022 for the Boston Red Sox, a span of 5 seasons. Across 115 career appearances, he has gone 8-8 with a 4.04 ERA and 127 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated September 9, 2026

Active Player

W–L 8–8

ERA 4.04

WHIP 1.31

SO 127

Pitcher PIV -633.1

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 205 lb
Born: 3/3/1995 in Roanoke, VA, USA
MLB Debut: 2022-08-29

Full name: Zachery Reed Kelly

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Zack Kelly — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
8	8	115	3	0	0	0	131.3	114	59	16	58	127	4.04	-633.1

Career ERA 4.04 vs. league average 4.14 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Zack Kelly — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2022	BOS	AL	1	0	13	0	13.7	14	6	4	11	3.95	3.97 (avg)	-107.6
2023	BOS	AL	0	0	8	0	9.3	7	4	8	6	3.86	4.33 (+11%)	0.0
2024	BOS	AL	6	3	49	3	56.7	44	25	27	61	3.97	4.08 (+3%)	-1083.6
2025	BOS	AL	1	3	28	0	35.3	35	18	12	35	4.58	4.16 (-10%)	558.0
2026	BOS	AL	0	2	17	0	16.3	14	6	7	14	3.31	4.17 (+21%)	-
Career · 5 seasons			8	8	115	3	131.1	114	59	58	127	4.04	—	-633

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

Zack Kelly — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
98	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.

Zack Kelly — Season-by-Season Batting
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2022	BOS	AL	13	.000	—	—	—	—	0.0
2023	BOS	AL	8	.000	—	—	—	—	0.0
2024	BOS	AL	49	.000	—	—	—	—	0.0
2025	BOS	AL	28	.000	—	—	—	—	0.0
Career · 4 seasons			98	—	—	—	—	—	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.

Postseason Statistics

Playoff Career Batting

Zack Kelly — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
1	0	0	0	0	0	0	0	0	0	.000

Playoff Batting by Year

Zack Kelly — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2025	ALWC2	BOS	1	0	0	0	0	0	0	0	0	0	.000

Playoff Career Pitching

Zack Kelly — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	0	1	0	0	0.3	0	0	0	1	0.00

Playoff Pitching by Year

Zack Kelly — Playoff Pitching by Year
Year	Round	Team	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
2025	ALWC2	BOS	0	0	1	0	0	0.3	0	0	0	1	0.00

Game Log & Splits

View full game log (196 games) →

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

Batting — Home / Away

Zack Kelly — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	50	0	0	0	0	0	—
Away	48	0	0	0	0	0	—

Pitching — Home / Away

Zack Kelly — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	50	59.0	57	28	33	55	4.27
Away	48	56.0	43	25	18	58	4.02

Last 10 Games — Pitching

Zack Kelly — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2025-09-28	BOS	DET	—	1.0	0	0	0	0	0	0
2025-09-26	BOS	DET	—	1.0	1	0	0	0	0	0
2025-09-25	BOS	TOR	—	0.2	1	1	1	0	0	1
2025-09-21	BOS	TBR	—	1.0	2	2	2	0	1	0
2025-09-19	BOS	TBR	—	1.0	0	0	0	0	0	0
2025-09-17	BOS	OAK	—	0.2	1	0	0	0	1	0
2025-09-16	BOS	OAK	—	1.0	1	0	0	0	3	0
2025-09-12	BOS	NYY	—	1.0	1	0	0	2	0	0
2025-09-08	BOS	OAK	—	1.0	0	0	0	0	0	0
2025-09-07	BOS	AZ	—	0.1	2	1	1	1	1	0

Fielding Statistics

Career Fielding Totals by Position

Zack Kelly — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	98	3	14	14	1	1

Season-by-Season Fielding

Zack Kelly — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2022	BOS	P	13	0	1	2	0	0
2023	BOS	P	8	0	1	1	0	1
2024	BOS	P	49	3	9	9	0	0
2025	BOS	P	28	0	3	2	1	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Zack Kelly — Career Games by Position
Position	Games
Pitcher	98

Frequently Asked Questions about Zack Kelly

What years did Zack Kelly play?: Zack Kelly played in Major League Baseball from 2022 to 2026.
Was Zack Kelly a pitcher?: Yes. Zack Kelly pitched in the major leagues, recording 8 wins and 127 strikeouts.
What was Zack Kelly's career ERA?: Zack Kelly finished with a 4.04 career ERA, going 8-8 with 127 strikeouts.
How many strikeouts did Zack Kelly have?: Zack Kelly recorded 127 career strikeouts.
Is Zack Kelly in the Hall of Fame?: No. Zack Kelly has not been inducted into the National Baseball Hall of Fame.
What teams did Zack Kelly play for?: Zack Kelly played for the Boston Red Sox.