Red Sox MassMutual (2 versions). This is an advertising patch. The Red Sox have two versions of this patch. One is navy with white writing and the
Red Sox reveal first-ever uniform advertisements; MassMutual
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
jerseys – Blogging the Red Sox
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
uniforms – Blogging the Red Sox
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