Red Sox pitcher Hirokazu Sawamura only Japanese to reach MLB

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Hirokazu Sawamura - Wikipedia

Red Sox Memories: A look at Japanese pitchers in franchise history

Former Boston Red Sox reliever Hirokazu Sawamura faces reality

Hirokazu Sawamura tosses scoreless ninth inning in Red Sox debut; 'For him to go out there and get his feet wet at the big-league level, that was fun to watch,' Alex Cora

Hirokazu Sawamura gaining confidence and earning trust in Sox bullpen - The Boston Globe

Boston Red Sox 2021 Season Preview: Can Hirokazu Sawamura bring some control to the late innings? : r/redsox

Japanese reliever Hirokazu Sawamura chose Red Sox due to track record, history - The Athletic

Hirokazu Sawamura ready for second season with Red Sox

Hirokazu Sawamura Looking For MLB Opportunities Over Return To Japan - MLB Trade Rumors

Sawamura learns to 'blend in' with Sox mates