Chapman, the All‐Star closer, was unavailable on Sunday after performing on Saturday, a factor Boston cited in the late‐game collapse. His absence put Weissert in a tight spot and forced the Sox into a bullpen plan they hadn’t prepared for, amplifying the stakes of every late‐inning at bat and challenging fantasy managers who rely on save tallies.

Chapman sits in the top-five ERA leaders among the season’s miscast relievers, illustrating how a veteran closer can still contribute in modern usage. His presence on the Red Sox bullpen toolkit underscores the volatility and upside of elite velocity and late-inning reliability.

Aroldis Chapman, known for his record-fast pitches and impressive career stats, is currently Boston's primary closer with a 1.31 ERA and 18 saves this season. His recent back tightness raised concerns, but he is expected to avoid the injured list, crucial for Red Sox playoff hopes.

Chapman is recovering from a back spasm but expects to return shortly. He has had a strong season with 18 saves and a 1.30 ERA.

Aroldis Chapman has emerged as a reliable closer for the Red Sox, boasting a strong ERA and a significant number of saves. His performance has alleviated concerns about him being a trade target as the deadline approaches.