Naoyuki Uwasawa

ANALYSIS
Uwasawa has made a trio of five-inning starts for Worcester since he was optioned to the affiliate after the Red Sox acquired him from the Rays shortly before Opening Day, but the Japanese right-hander looks like he'll be making his MLB debut as a member of Boston's bullpen. He'll tentatively slot in as a multi-inning relief option, but with three members of the Boston rotation currently on the injured list, Uwasawa could eventually get a chance to make some starts if depth arms such as Cooper Criswell, Josh Winckowski and Chase Anderson aren't able to get the job done as fill-ins in the rotation.

ANALYSIS
The skipper said in early April that Uwasawa needed to adjust to the pitch clock and work on his splitter at Triple-A Worcester, but since then Boston's rotation injuries have mounted. The Japanese right-hander has underwhelmed in his first two starts at Triple-A with seven runs allowed across 10 innings, but he's on the shortlist as a starting option since he's already on the 40-man roster.