OTM Open Thread 12/5: It is Monday - Over the Monster
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
jerseys – Blogging the Red Sox
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Red Sox reveal first-ever uniform advertisements; MassMutual
Twins making careful decision about ad patches on players' jerseys
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
MLB's Detroit Tigers expand Meijer sponsorship with jersey patch
Red Sox reportedly sign jersey patch deal with MassMutual