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 teams has Zack Kelly played for?

Zack Kelly has played for one team, the Boston Red Sox (2022–2026).

What are Zack Kelly's career stats?

In 115 games, Zack Kelly has gone 8-8 with a 4.04 ERA, 127 strikeouts, and 131.1 innings pitched.

What position does Zack Kelly play?

Zack Kelly plays primarily as a pitcher, the position where he has appeared in the most games.

How tall is Zack Kelly and how much does he weigh?

Zack Kelly is listed at 6 feet 3 inches and 205 pounds.

What number does Zack Kelly wear?

Zack Kelly wears number 76, according to MLB's 2026 roster data.

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.

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 October 25, 2026

Active Player

W–L 8–8

ERA 4.04

WHIP 1.31

SO 127

Pitcher PIV thru 2025 -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
Jersey: #76

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	131.1	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	13.2	14	6	4	11	3.95	3.97 (avg)	-107.6
2023	BOS	AL	0	0	8	0	9.1	7	4	8	6	3.86	4.33 (+11%)	0.0
2024	BOS	AL	6	3	49	3	56.2	44	25	27	61	3.97	4.08 (+3%)	-1083.6
2025	BOS	AL	1	3	28	0	35.1	35	18	12	35	4.58	4.16 (-10%)	558.0
2026	BOS	AL	0	2	17	0	16.1	14	6	7	14	3.31	4.18 (+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	0.1	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	0.1	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

Zack Kelly: the record in brief

The debut date in the bio is August 29, 2022; Zack Kelly is an active player, and this profile updates as the season goes on. All of the seasons listed were played for the Boston Red Sox. Kelly is listed as a pitcher at 6-foot-3 and 205 pounds. Kelly batted and threw right-handed, per the bio block. Kelly was born on March 3, 1995, in Roanoke, VA, USA. Zack Kelly was the playing name; the full given name is Zachery Reed.

Kelly has gone 8-8 with a 4.04 ERA in 115 games, 3 of them starts. Kelly has 127 strikeouts. Kelly's 4.04 ERA was close to the 4.14 league figure for those seasons. No season topped the 6 wins of 2024. In 2024, one of the busiest seasons, Kelly posted a 3.97 ERA; the league figure that year was 4.08.

Kelly made 1 postseason pitching appearances, with a 0-0 record and 0.00 ERA. Those appearances came in 2025.

Retrosheet box scores cover 196 of Kelly's games, and the full game log is linked from the splits section.

Kelly appears at one position only: pitcher, in 98 games. On the mound, Kelly's fielding totals are 14 putouts, 14 assists and 1 errors.

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 teams has Zack Kelly played for?: Zack Kelly has played for one team, the Boston Red Sox (2022–2026).
What are Zack Kelly's career stats?: In 115 games, Zack Kelly has gone 8-8 with a 4.04 ERA, 127 strikeouts, and 131.1 innings pitched.
What position does Zack Kelly play?: Zack Kelly plays primarily as a pitcher, the position where he has appeared in the most games.
How tall is Zack Kelly and how much does he weigh?: Zack Kelly is listed at 6 feet 3 inches and 205 pounds.
What number does Zack Kelly wear?: Zack Kelly wears number 76, according to MLB's 2026 roster data.
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.