Hirokazu Sawamura #19 May 29, 2021 Miami Marlins at Boston Red Sox

Hirokazu Sawamura 'excited' after making first bullpen appearance for Red Sox - The Boston Globe

Boston Red Sox's Hirokazu Sawamura reacts after retiring the side during the eighth inning of a baseball game plays against the Miami Marlins, Saturday, May 29, 2021, in Boston. (AP Photo/Michael Dwyer

4,232 Miami Marlins V Boston Red Sox Photos & High Res Pictures - Getty Images

Boston Red Sox's Hirokazu Sawamura reacts after retiring the side during the eighth inning of a baseball game plays against the Miami Marlins, Saturday, May 29, 2021, in Boston. (AP Photo/Michael Dwyer

Hirokazu Sawamura: Breaking News, Rumors & Highlights

Red Sox pitcher Hirokazu Sawamura tests positive for COVID-19

Boston Red Sox's Hirokazu Sawamura reacts after retiring the side during the eighth inning of a baseball game plays against the Miami Marlins, Saturday, May 29, 2021, in Boston. (AP Photo/Michael Dwyer

Hirokazu Sawamura becomes fifth Red Sox player to test positive for COVID-19

4,239 Boston Red Sox V Florida Marlins Photos & High Res Pictures - Getty Images

Hirokazu Sawamura: Breaking News, Rumors & Highlights

Boston Red Sox News: Hirokazu Sawamura placed on injured list; Phillips Valdez called back up - Over the Monster

Hirokazu Sawamura of the Boston Red Sox reacts after a strikeout in News Photo - Getty Images