![MassMutual is first jersey patch sponsor of the Red Sox](https://ca-times.brightspotcdn.com/dims4/default/8903a08/2147483647/strip/true/crop/5568x3712+0+0/resize/1200x800!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fac%2F1f%2F8c6da86248628bde5748bee44469%2Fapa-20230204-00008.JPG)
Why are the Angels wearing jersey patches with 'FBM' on them
![MassMutual is first jersey patch sponsor of the Red Sox](https://i.ytimg.com/vi/eaCaMaDKCyg/maxresdefault.jpg)
MassMutual, Red Sox announce multiyear partnership
![MassMutual is first jersey patch sponsor of the Red Sox](https://6amcity.brightspotcdn.com/dims4/default/2152768/2147483647/strip/false/crop/5472x3648+0+0/resize/1486x991!/quality/90/?url=https%3A%2F%2Fk1-prod-sixam-city.s3.us-east-2.amazonaws.com%2Fbrightspot%2Fce%2F46%2F6c06b02b45f7bb232ef7bc1b53e6%2Fmg-0830.jpg)
Red Sox play ball with a new signature sponsor - BOStoday
![MassMutual is first jersey patch sponsor of the Red Sox](https://images.radio.com/aiu-media/GettyImages1468624298-c330d85f-6387-4740-a69d-e2566d37ca59.jpg)
What MLB teams will have uniform ad patches in 2023?
![MassMutual is first jersey patch sponsor of the Red Sox](https://www.detroitnews.com/gcdn/presto/2023/05/25/PDTN/b7b37d51-6773-490a-aef3-4b22470aa996-MEIJERPATCH.jpeg?crop=5999,3375,x0,y305)
Detroit Tigers to add Meijer patch on jerseys
![MassMutual is first jersey patch sponsor of the Red Sox](https://media.bizj.us/view/img/10315497/gecelticspressweb98*900xx2025-1139-0-0.jpg)
Red Sox, MassMutual near a $17M jersey patch deal - Boston
![MassMutual is first jersey patch sponsor of the Red Sox](https://bloximages.chicago2.vip.townnews.com/eagletribune.com/content/tncms/assets/v3/editorial/5/29/529d21fe-b258-11ed-96ae-f7dec8f0e78b/63f57da2e89c8.image.jpg?resize=858%2C500)
Colorful jerseys here to stay: Red Sox president says team not
![MassMutual is first jersey patch sponsor of the Red Sox](https://media.bizj.us/view/img/12404238/pxl20221130173835997portrait*1200xx4080-2295-0-389.jpg)
Red Sox to sport MassMutual logo under new partnership - Boston
![MassMutual is first jersey patch sponsor of the Red Sox](https://zoomph.com/wp-content/uploads/2023/04/MiamiMarlinsADT.jpg)
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
![MassMutual is first jersey patch sponsor of the Red Sox](https://elitesportsny.com/wp-content/uploads/2022/09/USATSI_12993447-scaled.jpg)
Jersey patch ads could be coming for Yankees, Mets in the near future