![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Adrian_Beltre_%2850294917497%29_%28cropped%29.jpg/1200px-Adrian_Beltre_%2850294917497%29_%28cropped%29.jpg)
Uniform number (Major League Baseball) - Wikipedia
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://www.eastbaytimes.com/wp-content/uploads/2017/04/athletics-091.jpg?w=620)
My Word: Jackie Robinson's legacy has transcended baseball
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://img.bleacherreport.net/img/images/photos/003/882/626/hi-res-4a1c4d360bcb099536a1a0f61c2ce937_crop_north.jpg?1599068890&w=3072&h=2048)
Pirates Players Will Wear No. 21 on Sept. 9 to Honor Roberto
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://assets-varnish.triblive.com/2021/09/4239655_web1_4145945-1ffe38ff750642dbb9a5b5bea3c79805.jpg)
To Pirates catcher Michael Perez, wearing No. 21 'very special
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://www.si.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cg_xy_center%2Cq_auto:good%2Cw_1200%2Cx_1154%2Cy_1578/MjAwODM5ODUwODcyNTQ2Njkw/judge-cleats.jpg)
Aaron Judge Pays Tribute to Roberto Clemente With His Cleats
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/GE6GP3Z63BFONH3ANOXWBDRPWQ.jpg?_a=ATAPphC0)
MLB
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://www.usatoday.com/gcdn/presto/2020/09/09/USAT/5125c439-6b5a-45c3-8f40-1f9f90d3231f-Pirates-Clemente_Day.jpg?width=1200&disable=upscale&format=pjpg&auto=webp)
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_scale,w_400/v1/media/gmg/7HLGDQ4FPRCXDCAOOY55FU2S3M?_a=AJFJtWIA)
Jackie_Robinson
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w1024/mlb/knnkfia4o3u7lpgapkld)
Eduardo Rodriguez wins 2023 Tigers series finale
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://www.stlmag.com/downloads/252936/download/holliday_credit_keith_allison_2.jpg?cb=b0b0d116fd87893b72482bfcab9bdbf4)
Whatever Happens in the Offseason, Matt Holliday Has Earned a Spot
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_scale,w_400/v1/media/gmg/6G7DBOYULBE3VP2JYN5BJKW3YY?_a=AJFJtWIA)
MLB
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://media.nbcsportschicago.com/2023/05/web-210914-pirates-21-roberto-clemente-3.jpg?quality=85&strip=all&resize=1200%2C675)
MLB allows more players to wear No. 21 to honor Roberto Clemente
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://www.justbaseball.com/wp-content/uploads/sites/2/2022/04/GettyImages-1391707892.jpg?fit=4622%2C3081)
Just Baseball Highlight Reel: April 15, 2022