Sources - Red Sox, Masataka Yoshida agree to 5-year deal - ESPN
Masataka Yoshida Breaks 80-Year Red Sox Record After Red-Hot Start
Masataka Yoshida Is Starting To Have Big League Impact
Baseball: Masataka Yoshida vows to repay Buffaloes with Red Sox
Red Sox have high hopes for Yoshida, who they've coveted for years
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Red Sox introduce Masataka Yoshida
Red Sox introduce Masataka Yoshida - The Japan Times
Red Sox view Masataka Yoshida as leadoff option, likely starting
Red Sox introduce Masataka Yoshida - The Japan Times
Prospect Report: Josh Jung Homers Twice, Masataka Yoshida Stays
Buffaloes outfielder Masataka Yoshida reaches deal with Red Sox