Sean Sullivan

2026 seasonregular season

Bats/Throws: R/L
Height: 6' 4"
Weight: 200 lb
Age: 24
Born: Boston, MA, USA
MLB debut: 2026-06-12
Drafted: 2023

Pitch qualityour Stuff+ grades

How nasty each pitch is from its physical shape alone — velocity, spin, movement, extension and release point — on a scale where 100 is league average and every 10 points is one standard deviation. It does not see where the pitch was thrown, the count, or what happened to it, so a pitcher with great stuff and poor command can still give up runs. How it is built

102overall

Sweeper110
Cutter107
Four-seam fastball101
Changeup93

Pitching

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026	5	5	22.1	8.87	2.01	16	11	5	6.45	0-3	0

Last 10 games

Game	Dec	IP	H	ER	BB	K	HR	P
07/04vSFL	L	5.2	12	6	2	4	1	105
06/29vMIAL		4.2	6	5	2	5	1	82
06/23vBOSL	L	5.0	5	3	5	3	1	94
06/17@CHCL	L	4.0	9	8	2	2	2	82
06/12@ATHL		3.0	2	0	0	2	0	49

Career by season

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026COL	5	5	22.1	8.87	2.01	16	11	5	6.45	0-3	0

Stats from the MLB Stats API, regular season only. A traded player's combined season appears as one row per club plus the total.