Sean Sullivan
Career Stats, Bio & Records (2026)
Sean Sullivan is a pitcher who has played in Major League Baseball since 2026 for the Colorado Rockies. Across 5 career appearances, he has gone 0-3 with a 8.87 ERA and 16 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
- Bats / Throws
- R / L
- Height / Weight
- 6'4" / 200 lb
- MLB Debut
- 2026-06-12
- Jersey
- #45
- Draft
- 2023
Full name: Sean Sullivan Sullivan
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | COL | NL | 0 | 3 | 5 | 5 | 0 | 0 | 0 | 22.1 | 34 | 22 | 11 | 16 | 8.87 | 4.18 (-112%) | - |
| Career · 1 season | 0 | 3 | 5 | 5 | 0 | 0 | 0 | 22.1 | 34 | 22 | 11 | 16 | 8.87 | — | 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.
Sean Sullivan: the record in brief
Active since a debut on June 12, 2026, Sean Sullivan has a record on this page that is still being added to. Sullivan's only club in the season tables is the Colorado Rockies. Sullivan batted right-handed and threw left-handed. The bio adds a birth date on July 22, 2002, in Boston, MA, USA and a listed size of 6-foot-4 and 200 pounds.
Across 5 games (5 starts), Sullivan has recorded 0 wins against 3 losses with a 8.87 ERA. Also on Sullivan's record: 16 strikeouts. The league ERA over Sullivan's seasons was 4.18, so the 8.87 figure ran 112.2% worse than average. Sullivan's only pitching season is 2026: 5 games, 16 strikeouts.
The draft line shows 2023.
Frequently Asked Questions about Sean Sullivan
- Was Sean Sullivan a pitcher?
- Yes. Sean Sullivan pitched in the major leagues, recording 0 wins and 16 strikeouts.
- What teams has Sean Sullivan played for?
- Sean Sullivan has played for one team, the Colorado Rockies (2026).
- What are Sean Sullivan's career stats?
- In 5 games, Sean Sullivan has gone 0-3 with a 8.87 ERA, 16 strikeouts, and 22.1 innings pitched.
- How tall is Sean Sullivan and how much does he weigh?
- Sean Sullivan is listed at 6 feet 4 inches and 200 pounds.
- What number does Sean Sullivan wear?
- Sean Sullivan wears number 45, according to MLB's 2026 roster data.
- What was Sean Sullivan's career ERA?
- Sean Sullivan finished with a 8.87 career ERA, going 0-3 with 16 strikeouts.
- How many strikeouts did Sean Sullivan have?
- Sean Sullivan recorded 16 career strikeouts.