Sean Sullivan

Colorado Rockies

SP · #45 · Bats R · Throws L · 6'4" · 200 lb · Age 24 · 1 yr in MLB

2026 grade

10.9

Runs prevented: −6.1
IP · ERA: 22.1 · 8.87
K · BB: 16 · 11
Rank: Not qualified

What the grade is made of

Runs each part saves or costs against an average pitcher facing the same batters. Contact counts a quarter for how it turned out, because over a season that's mostly the fielders and luck.

Strikeouts16 vs 25 avg−2.6
Home runs allowed5 vs 3 avg−2.1
Contact allowed (how it turned out counts a quarter)79 vs 74 avg−1.8
Parks pitched in+1.3
Hit batters3 vs 1 avg−0.6
Walks11 vs 10 avg−0.4

2026 game log: pitching

Game grades need 3 batters faced; starts are ranked against starts, relief outings against relief outings.

Game	Result	Dec	IP	H	R	ER	BB	K	HR	PC	Grade
Sat, Jul 4vsSF	L 4-6	L	5.2	12	6	6	2	4	1	105	2.1
Mon, Jun 29vsMIA	L 7-10	GS	4.2	6	5	5	2	5	1	82	22.1
Tue, Jun 23vsBOS	L 2-5	L	5.0	5	3	3	5	3	1	94	20.0
Wed, Jun 17@CHC	L 6-8	L	4.0	9	8	8	2	2	2	82	1.3
Fri, Jun 12@ATH	L 4-6	GS	3.0	2	0	0	0	2	0	49	63.6

Scores, box scores and play-by-play from ESPN. The run values and park factors behind the grades were worked out from Retrosheet's play-by-play: the information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.