Brett Sullivan

Performance Analysis

How Brett Sullivan plays at catcher earns him a B+ performance grade. Despite a .195 batting average across 30 games in the 2026 season, Sullivan's defensive contributions and game-management skills behind the plate — particularly his ability to throw out runners and frame pitches — are elevating his overall value in a bench role. The strikeout rate (19 K in limited opportunities) reflects the offensive struggles that have defined his profile: a fourth-year player who has never developed into a consistent run producer. At 32 years old on a minor league deal, Sullivan is occupying a part-time catching spot in a Colorado rotation that has been churning through pitching depth in recent weeks, and his 30-game sample suggests he's fighting for at-bats rather than commanding a defined role. The disconnect between his B+ performance grade and F sentiment grade is rooted in the gap between his veteran presence and mentorship value — qualities that carry real organizational weight in a rebuilding clubhouse — and the absence of offensive production to justify full-time employment. What keeps his overall evaluation afloat is the intangible stability he provides to a young pitching staff in a basement-dwelling rotation; without that defensive and leadership anchor, his standing would collapse entirely.