Vistaprint takes over for GE as the Celtics' jersey sponsor - The Boston Globe
The Celtics threads for next season 🔥🔥🔥🔥 : r/bostonceltics
Celtics unveil City Edition uniforms, an homage to their championship banners - The Boston Globe
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Celtics trade Grant Williams to Mavericks, get two 2nd-round picks
Boston Celtics Select Vistaprint as Next Jersey Patch Sponsor
Vistaprint and the Celtics announce New Multi-Year Partnership : r/nba
GE hopes alliance with Celtics will underscore corporate reinvention - The Boston Globe
Jaylen Brown Situation with Celtics is NOT Abnormal
Boston Celtics - Wikipedia
NBA Lets Teams Take Sponsors Abroad as International Push Continues - WSJ