The Red Sox also assigned catcher Ronaldo Hernández, who they signed to a minor league deal July 17, to Double-A Portland to make room for Tromp. He appeared in four games for Worcester.

The Boston Red Sox of late have flipped their script. After dealing away their best hitter, Rafael Devers, in a puzzling June blockbuster, the Sox bumbled to a 3-7 mark in the days immediately following the trade.

The Boston Red Sox are on the brink of contention heading into the second half of the season, and a star at the trade deadline could help.