![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://bostonglobe-prod.cdn.arcpublishing.com/resizer/eBf6a2wTsxImQDwZwG0fD6GroAc=/506x0/cloudfront-us-east-1.images.arcpublishing.com/bostonglobe/QFVW52C6ITGUGBBQPMQJ5YCDJI.jpg)
Sox say so long to John Hancock. But hello maybe to MassMutual
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://fanatics.frgimages.com/boston-red-sox/mens-pro-standard-white-boston-red-sox-team-logo-t-shirt_pi4653000_altimages_ff_4653580-f88dda0b9c08d4f87c98alt3_full.jpg?_hv=2&w=900)
Men's Boston Red Sox Pro Standard White Team Logo T-Shirt
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://wordpress.wbur.org/wp-content/uploads/2022/12/GettyImages-1243755098-1000x667.jpg)
It's come to this: our Red Sox as human billboards
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://cloudfront-us-east-1.images.arcpublishing.com/bostonglobe/ZBLGPX2MVZORCECETBMI6DEIFY.jpg)
MassMutual will be the first sponsor to have its logo on Red Sox
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://uploads-sportbusiness.imgix.net/uploads/2023/03/GettyImages-1470042915.jpg?auto=compress,format&crop=faces,entropy,edges&fit=crop&w=680&h=356)
Boston Red Sox sign BetMGM as first betting sponsor
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://www.sportspromedia.com/wp-content/uploads/2023/02/LAA-150x150.jpg)
Houston Astros reveal Oxy as first ever jersey partner - SportsPro
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://bostonglobe-prod.cdn.arcpublishing.com/resizer/j9nQMRzVdhh_ena2cv9ok1jAa-4=/250x250/d1rwj3sbvso8ql.cloudfront.net/10-13-2023/t_b7955654254a4f749e8d12d4db393f6e_name_A_Block.png)
Sox say so long to John Hancock. But hello maybe to MassMutual
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://www.sportspromedia.com/wp-content/uploads/2023/03/NYY-1-422x253.jpg)
Boston Red Sox Archives - SportsPro
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://cloudfront-us-east-1.images.arcpublishing.com/advancelocal/D2ND6JJ4ARBT7HKVIEM75SNMVQ.jpg)
MassMutual becomes 'signature sponsor' for Boston Red Sox
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://www.sportspromedia.com/wp-content/uploads/2022/10/Copy-of-Copy-of-WP-News-story-template-2022-10-12T094357.663-150x150.jpg)
Houston Astros reveal Oxy as first ever jersey partner - SportsPro
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://media.wbur.org/wp/2016/06/wbur-tile.png)
It's come to this: our Red Sox as human billboards
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](http://nysportsjournalism.squarespace.com/storage/Olympics%20LA%2028%20Logo.png?__SQUARESPACE_CACHEVERSION=1696950386819)
NYSportsJournalism.com - Home
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://media.bizj.us/view/img/4679161/churchilldowns*900xx2400-1350-0-125.jpg)
Red Sox to sport MassMutual logo under new partnership - Boston
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w640/mlb/qd1pbvvnnhavy8q8nvjw)
MassMutual is first jersey patch sponsor of the Red Sox
![Boston Red Sox confirm MassMutual as signature sponsor - SportsPro](https://www.sportspromedia.com/wp-content/uploads/2022/07/Red-Sox-1.jpg)
Boston Red Sox bag US$170m MassMutual jersey patch deal, says