Red Sox released Hirokazu Sawamura : r/redsox
Hirokazu Sawamura throws simulated game
Zack Kelly, expectant father and onetime D2 pitcher, got a big surprise when the Red Sox called him up Sunday - The Boston Globe
Hirokazu Sawamura ready for second season with Red Sox
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Red Sox Release Hirokazu Sawamura - MLB Trade Rumors
Red Sox clinch 2021 Wild Card spot
Boston Red Sox 2021 in Review: Hirokazu Sawamura's MLB debut - Over the Monster
Hirokazu Sawamura, Austin Davis designated for assignment
Sawamura learns to 'blend in' with Sox mates
Hirokazu Sawamura Statcast, Visuals & Advanced Metrics, MLB.com
Why did Boston Red Sox option Hirokazu Sawamura, put Hansel Robles on IL? Alex Cora explains
MLB: Red Sox pitcher Hirokazu Sawamura only Japanese in playoffs - The Mainichi