![A Seattle Mariners fan wearing a Cal Raleigh jersey with Raleigh's nickname, "Big Dumper," enters T-Mobile Park before an opening day baseball game between the Seattle Mariners and the Cleveland Guardians Thursday, A Seattle Mariners fan wearing a Cal Raleigh jersey with Raleigh's nickname, "Big Dumper," enters T-Mobile Park before an opening day baseball game between the Seattle Mariners and the Cleveland Guardians Thursday,](https://c8.alamy.com/comp/2PJGCMX/a-seattle-mariners-fan-wearing-a-cal-raleigh-jersey-with-raleighs-nickname-big-dumper-enters-t-mobile-park-before-an-opening-day-baseball-game-between-the-seattle-mariners-and-the-cleveland-guardians-thursday-march-30-2023-in-seattle-ap-photolindsey-wasson-2PJGCMX.jpg)
A Seattle Mariners fan wearing a Cal Raleigh jersey with Raleigh's nickname, "Big Dumper," enters T-Mobile Park before an opening day baseball game between the Seattle Mariners and the Cleveland Guardians Thursday,
![MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times](https://images.seattletimes.com/wp-content/uploads/2017/06/3e51b284-4b2d-11e7-a16d-09dd8ac82b18.jpg?d=780x501)
MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times
![MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times](https://images.seattletimes.com/wp-content/uploads/2017/06/griffeyfuture05_133150.jpg?d=780x1172)
MLB will reportedly relax uniform policy, allow nicknames and more for 'Players Weekend' | The Seattle Times
![Mariners salute Latin American Béisbol on September 8th | by Mariners PR | From the Corner of Edgar & Dave Mariners salute Latin American Béisbol on September 8th | by Mariners PR | From the Corner of Edgar & Dave](https://miro.medium.com/v2/resize:fit:7776/1*F6JOIlUbS9jIp4WPTJOJzw.jpeg)
Mariners salute Latin American Béisbol on September 8th | by Mariners PR | From the Corner of Edgar & Dave
![Mariners] The squad voted and we have an official nickname for the bullpen: Los Bomberos - The Firemen 🔥👨🚒 : r/Mariners Mariners] The squad voted and we have an official nickname for the bullpen: Los Bomberos - The Firemen 🔥👨🚒 : r/Mariners](https://external-preview.redd.it/YCcTTDRXcghuaAOkz0h8rdxHqKnekmsNvcHdDr5oN6k.jpg?width=640&crop=smart&auto=webp&s=01f8309dfd865e5bdfaeddd3f1b2445ce5e05adf)