Sean Sullivan
Breakdown
Leistung
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18. Juni 2026
Yields eight runs in loss
Sullivan (0-1) allowed eight runs on nine hits and two walks while striking out two over four innings to take the loss versus the Cubs on Wednesday.
Analyse
Sullivan threw 56 of 82 pitches for strikes, but the Cubs had no trouble getting to him. The southpaw threw three scoreless innings against the Athletics last week before his major-league debut was cut short by an illness. Sullivan pitched to a 5.76 ERA, 1.57 WHIP and 50:10 K:BB over 54.2 innings with Triple-A Albuquerque prior to his call-up, and given his tough home park, he's a risky option at best in fantasy. If Tanner Gordon (hip) remains out next week, Sullivan is tentatively projected to make a home start versus the Red Sox.
16. Juni 2026
Awarded another start
Sullivan (illness) will start Wednesday's game against the Cubs at Wrigley Field.
Analyse
The Rockies called Sullivan up from Triple-A Albuquerque last Friday to fill the fifth spot in their rotation. Despite being tasked with making his MLB debut in an extreme hitter-friendly venue in Las Vegas, Sullivan was able to keep the Athletics off the board for three innings while striking out three batters and allowing just three baserunners. The 23-year-old lefty ended up having his start cut short after falling ill, but he's since recovered from the ailment and performed well enough during his time on the mound to earn himself another turn through the rotation. Even though he excelled in his debut and will be pitching in a more favorable environment for his second start, Sullivan will still be difficult to trust for fantasy purposes after he posted underwhelming numbers over a larger sample at Triple-A (5.76 ERA, 1.57 WHIP, 50:19 K:BB in 54.2 innings).
13. Juni 2026
Exits start with illness
Sullivan was removed from his start Friday against the Athletics due to an illness, Patrick Saunders of The Denver Post reports.
Analyse
Sullivan gave up two hits and zero walks while striking out two batters in three shutout innings, but his MLB debut ended prematurely once he began to feel under the weather. Despite his brief outing, the 23-year-old southpaw may have pitched well enough in an extremely hitter-friendly environment to earn another start with the big club.
12. Juni 2026
Contract selected
The Rockies selected Sullivan's contract from Triple-A Albuquerque ahead of his start Friday against the Athletics.
Analyse
Sullivan will be making his MLB debut Friday, though he will be doing so in a very hitter-friendly environment at Las Vegas Ballpark after posting a 5.76 ERA and 1.57 WHIP in 54.2 innings at Triple-A, making him a less-than-desirable fantasy option. Sammy Peralta was optioned to Albuquerque to make room for Sullivan on the active roster, and Chase Dollander (elbow) was moved to the 60-day IL to free up a 40-man spot.
