MassMutual is first jersey patch sponsor of the Red Sox
MLB Boston Red Sox City Connect Men's Replica Baseball Jersey.
Red Sox's Rafael Devers: 'I grew up a Boston fan. And I signed with Boston so I would like to stay (longterm)'
Official Red Sox City Connect Jerseys, Boston Red Sox City Connect Collection, Red Sox City Connect Series
Boston Red Sox Op/Ed: Big fan of the Sox City Connect uniforms
Boston Red Sox Fan Jerseys for sale
Ranking MLB's City Connect uniforms - ESPN
No rest for the weary as Red Sox prepare for 17-game stretch against American League East - The Boston Globe
Leak appears to show Pirates' new City Connect alternate uniforms