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My Word: Jackie Robinson's legacy has transcended baseball
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://library.sportingnews.com/styles/crop_style_16_9_mobile/s3/2021-08/mlb-uniforms-ozzie-smith-011316-getty-ftrjpg_1r60hnfor5x8l10v25n6xvp88d.jpg?itok=qvisqqD-)
Best all-time MLB players at each jersey number, 1-99
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Under Armour Celebrates the Start of the 2022 MLB Season
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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://assets-varnish.triblive.com/2023/07/6404499_web1_GTR-BB-AC3-072223.jpg)
Altoona Curve honors Pirates legend Roberto Clemente, retires No
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://assets-varnish.triblive.com/2023/07/6404499_web1_GTR-BB-AC2-072223.jpg)
Altoona Curve honors Pirates legend Roberto Clemente, retires No
![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://bloximages.chicago2.vip.townnews.com/clintonherald.com/content/tncms/assets/v3/editorial/1/bd/1bdbbb08-2297-5812-96c8-8150aaaae65e/6519c6168bd96.image.jpg?resize=728%2C500)
Knuckleballer Tim Wakefield has died at 57
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/sruyixcmjqgregganhir)
Last player to wear No. 42 for each MLB team
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://h2j7w4j4.stackpathcdn.com/wp-content/uploads/2022/12/arriba-000012.jpg)
Roberto Clemente: Baseball Rebel – Society for American Baseball
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://cdn.vox-cdn.com/thumbor/AenUOTTgInI6LzwHGn6uwgQg6Vo=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/24583120/usa_today_20427111.jpg)
The best celebrations of the 2023 MLB season, so far
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MLB expands list of who can wear No. 21 to honor Roberto Clemente
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://assets-varnish.triblive.com/2020/09/2991726_web1_GTR-BucsEarly02-090920.jpg)
Puerto Rican players follow Pirates' push to wear No. 21
![Why are MLB players wearing 21? Tributes around the league for Pirates legend explained](https://securea.mlb.com/assets/images/1/3/4/69683134/cuts/Rivera_1280_gb21evgo_lzipfdr0.jpg)
Rich tradition of retired numbers part of game's legacy