What years did Dominic Leone play?

Dominic Leone played in Major League Baseball from 2014 to 2024.

Was Dominic Leone a pitcher?

Yes. Dominic Leone pitched in the major leagues, recording 22 wins and 444 strikeouts.

What teams did Dominic Leone play for?

Dominic Leone played for 9 teams: the Seattle Mariners (2014–2015, 2023), the Arizona Diamondbacks (2015–2016), the Toronto Blue Jays (2017), the St. Louis Cardinals (2018–2019), the Cleveland Indians (2020), the San Francisco Giants (2021–2022), the New York Mets (2023), the Los Angeles Angels of Anaheim (2023), and the Chicago White Sox (2024).

What were Dominic Leone's career stats?

In 427 games, Dominic Leone went 22-25 with a 3.94 ERA, 444 strikeouts, 429.0 innings pitched, and 8 saves.

What position did Dominic Leone play?

Dominic Leone played primarily as a pitcher, the position where he appeared in the most games.

How tall was Dominic Leone and how much did he weigh?

Dominic Leone was listed at 5 feet 10 inches and 215 pounds.

What was Dominic Leone's career ERA?

Dominic Leone finished with a 3.94 career ERA, going 22-25 with 444 strikeouts.

How many strikeouts did Dominic Leone have?

Dominic Leone recorded 444 career strikeouts.

Is Dominic Leone in the Hall of Fame?

No. Dominic Leone has not been inducted into the National Baseball Hall of Fame.

Dominic Leone

Pitcher · Career Stats, Bio & Records (2014-2024)

Dominic Leone was a pitcher who played in Major League Baseball from 2014 to 2024 for 9 teams, including the Seattle Mariners, a span of 11 seasons. Across 427 career appearances, he went 22-25 with a 3.94 ERA and 444 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 15, 2026

W–L 22–25

ERA 3.94

WHIP 1.40

SO 444

Pitcher PIV -1004.0

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 5'10" / 215 lb
Born: 10/26/1991 in Norwich, CT, USA
MLB Debut: 2014-04-06

Full name: Dominic Joseph Leone

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

Dominic Leone — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
22	25	427	4	0	0	8	429.0	408	188	60	192	444	3.94	-1004.0

Career ERA 3.94 vs. league average 4.16 across their career seasons — 5.3% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Dominic Leone Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2014	SEA	AL	8	2	57	0	0	66.1	52	16	25	70	2.17	3.74 (+42%)	1124.0
2015	SEA	AL	0	4	10	0	0	11.1	11	8	9	7	6.35	3.96 (-60%)	-415.4
2015	ARI	NL	0	1	3	0	0	3.2	8	6	0	2	14.73	—	0.0
2016	ARI	NL	0	1	25	0	0	27.0	45	19	12	23	6.33	4.19 (-51%)	-1395.8
2017	TOR	AL	3	0	65	0	1	70.1	51	20	23	81	2.56	4.36 (+41%)	2521.6
2018	SLN	NL	1	2	29	0	0	24.0	27	12	8	26	4.50	4.15 (-8%)	319.5
2019	SLN	NL	1	0	40	0	1	40.2	39	25	22	46	5.53	4.51 (-23%)	-962.5
2020	CLE	AL	0	0	12	0	0	9.2	14	9	5	16	8.38	4.45 (-88%)	0.0
2021	SFN	NL	4	5	57	4	2	53.2	37	9	22	50	1.51	4.27 (+65%)	1612.4
2022	SFN	NL	4	5	55	0	3	49.1	55	22	24	52	4.01	3.97 (-1%)	-94.4
2023	NYN	NL	1	3	31	0	0	30.2	27	15	11	33	4.40	4.33 (-2%)	-699.5
2023	LAA	AL	0	0	11	0	1	13.0	15	8	9	11	5.54	4.33 (-28%)	-425.1
2023	SEA	AL	0	0	9	0	0	10.1	7	5	8	10	4.35	4.33 (-1%)	-1521.9
2024	CHA	AL	0	2	23	0	0	19.0	20	14	14	17	6.63	4.08 (-63%)	-1067.0
Career · 14 seasons			22	25	427	4	8	429.0	408	188	192	444	3.94	—	-1,004

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

Dominic Leone — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
428	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.

Dominic Leone Stats, Bio & Career Records
Year	Team	Lg	G	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2014	SEA	AL	57	.000	—	—	—	—	0.0
2015	SEA	AL	10	.000	—	—	—	—	0.0
2015	ARI	NL	3	.000	—	—	—	—	0.0
2016	ARI	NL	25	.000	—	—	—	—	0.0
2017	TOR	AL	65	.000	—	—	—	—	0.0
2018	SLN	NL	30	.000	—	—	—	—	0.0
2019	SLN	NL	40	.000	—	—	—	—	0.0
2020	CLE	AL	12	.000	—	—	—	—	0.0
2021	SFN	NL	57	.000	—	—	—	—	0.0
2022	SFN	NL	55	.000	—	—	—	—	0.0
2023	NYN	NL	31	.000	—	—	—	—	0.0
2023	LAA	AL	11	.000	—	—	—	—	0.0
2023	SEA	AL	9	.000	—	—	—	—	0.0
2024	CHA	AL	23	.000	—	—	—	—	0.0
Career · 14 seasons			428	—	—	—	—	—	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

Dominic Leone — Playoff Career Batting
G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2	0	0	0	0	0	0	0	0	0	.000

Playoff Batting by Year

Dominic Leone — Playoff Batting by Year
Year	Round	Team	G	AB	R	H	2B	3B	HR	RBI	BB	SO	AVG
2021	NLDS2	SFN	2	0	0	0	0	0	0	0	0	0	.000

Playoff Career Pitching

Dominic Leone — Playoff Career Pitching
W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
0	0	2	0	0	1.2	4	3	2	1	16.20

Playoff Pitching by Year

Dominic Leone — Playoff Pitching by Year
Year	Round	Team	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA
2021	NLDS2	SFN	0	0	2	0	0	1.2	4	3	2	1	16.20

Game Log & Splits

View full game log (855 games) →

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

Batting — Home / Away

Dominic Leone — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	227	0	0	0	0	0	—
Away	201	0	0	0	0	0	—

Pitching — Home / Away

Dominic Leone — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	226	232.0	217	103	90	238	4.00
Away	201	197.0	191	85	102	206	3.88

Last 10 Games — Pitching

Dominic Leone — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO
2024-08-14	CHW	NYY	L	0.1	2	2	2	2	0
2024-08-12	CHW	NYY	—	1.0	2	0	0	1	1
2024-08-10	CHW	CHC	—	0.2	0	0	0	0	1
2024-08-07	CHW	OAK	—	0.2	1	0	0	0	0
2024-08-06	CHW	OAK	—	1.0	0	0	0	0	0
2024-05-20	CHW	TOR	—	0.2	1	1	1	0	1
2024-05-04	CHW	STL	—	0.0	0	0	0	1	0
2024-05-01	CHW	MIN	L	0.2	0	2	2	2	2
2024-04-30	CHW	MIN	—	1.0	1	0	0	0	2
2024-04-27	CHW	TBR	—	1.0	2	2	2	1	1

Fielding Statistics

Career Fielding Totals by Position

Dominic Leone — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	427	4	18	38	5	2

Season-by-Season Fielding

Dominic Leone — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2014	SEA	P	57	0	3	5	0	0
2015	SEA	P	10	0	1	1	0	0
2015	ARI	P	3	0	0	0	0	0
2016	ARI	P	25	0	1	0	1	1
2017	TOR	P	65	0	1	6	0	0
2018	SLN	P	29	0	2	3	1	0
2019	SLN	P	40	0	1	4	0	0
2020	CLE	P	12	0	1	3	0	0
2021	SFN	P	57	4	2	7	0	1
2022	SFN	P	55	0	3	7	2	0
2023	NYN	P	31	0	2	0	0	0
2023	LAA	P	11	0	0	0	0	0
2023	SEA	P	9	0	1	0	0	0
2024	CHA	P	23	0	0	2	1	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Dominic Leone Stats, Bio & Career Records
Position	Games
Pitcher	428

College History

Dominic Leone — College History
School Name	City	State	Years Attended
Clemson University	Clemson	SC	2010, 2011, 2012

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Dominic Leone: the record in brief

The bio dates Dominic Leone's major league debut to April 6, 2014. By club, Leone's seasons break down as the Seattle Mariners (2014 to 2023), the Arizona Diamondbacks (2015 to 2016), the Toronto Blue Jays (2017), the St. Louis Cardinals (2018 to 2019), the Cleveland Indians (2020), the San Francisco Giants (2021 to 2022), the New York Mets (2023), and the Los Angeles Angels of Anaheim (2023), among other clubs in the table. Born on October 26, 1991, in Norwich, CT, USA, Leone is listed as a pitcher and threw and hit right-handed. The bio gives 5'10" and 215 pounds. Dominic Leone was the playing name; the full given name is Dominic Joseph.

Leone went 22-25 with a 3.94 ERA in 427 games, 4 of them starts. Also on Leone's record: 444 strikeouts. The leagues Leone pitched in allowed 4.16 earned runs per nine over those seasons, so the career ERA was 5.3% better than average. Leone won 8 games in 2014, the most of any season listed. 2017 produced Leone's most strikeouts, 81. 2021 was Leone's sharpest full season, a 1.51 ERA against the league's 4.27.

The position breakdown shows 428 games, all at pitcher. The fielding table credits Leone with 18 putouts, 38 assists and 5 errors on the mound.

The playoff pitching line reads 0-0, 16.20 ERA, across 2 appearances. Those appearances came in 2021.

Frequently Asked Questions about Dominic Leone

What years did Dominic Leone play?: Dominic Leone played in Major League Baseball from 2014 to 2024.
Was Dominic Leone a pitcher?: Yes. Dominic Leone pitched in the major leagues, recording 22 wins and 444 strikeouts.
What teams did Dominic Leone play for?: Dominic Leone played for 9 teams: the Seattle Mariners (2014–2015, 2023), the Arizona Diamondbacks (2015–2016), the Toronto Blue Jays (2017), the St. Louis Cardinals (2018–2019), the Cleveland Indians (2020), the San Francisco Giants (2021–2022), the New York Mets (2023), the Los Angeles Angels of Anaheim (2023), and the Chicago White Sox (2024).
What were Dominic Leone's career stats?: In 427 games, Dominic Leone went 22-25 with a 3.94 ERA, 444 strikeouts, 429.0 innings pitched, and 8 saves.
What position did Dominic Leone play?: Dominic Leone played primarily as a pitcher, the position where he appeared in the most games.
How tall was Dominic Leone and how much did he weigh?: Dominic Leone was listed at 5 feet 10 inches and 215 pounds.
What was Dominic Leone's career ERA?: Dominic Leone finished with a 3.94 career ERA, going 22-25 with 444 strikeouts.
How many strikeouts did Dominic Leone have?: Dominic Leone recorded 444 career strikeouts.
Is Dominic Leone in the Hall of Fame?: No. Dominic Leone has not been inducted into the National Baseball Hall of Fame.