![Petition Roberto Clemente number 21 have to be retired from all](https://hips.hearstapps.com/vidthumb/ce86fd5e-8a2f-4592-afc4-026a21b9e827/ce86fd5e-8a2f-4592-afc4-026a21b9e827_image.jpg?crop=1xw%3A1.0xh%3Bcenter%2Ctop&resize=810%3A*&quality=70)
Altoona Curve to retire Roberto Clemente's No. 21
![Petition Roberto Clemente number 21 have to be retired from all](https://media.13newsnow.com/assets/CCT/images/16a4a965-e07d-4083-81d6-03ddec9c89d9/16a4a965-e07d-4083-81d6-03ddec9c89d9_1920x1080.jpg)
Puerto Rican MLB players can wear number 21 on Clemente Day
![Petition Roberto Clemente number 21 have to be retired from all](https://kubrick.htvapps.com/htv-prod-media.s3.amazonaws.com/images/roberto-clemente-1672082453.jpg?crop=1.00xw:0.848xh;0,0&resize=1200:*)
Pittsburgh Pirates legend Roberto Clemente remembered
![Petition Roberto Clemente number 21 have to be retired from all](https://edge.images.sidelineswap.com/production/050/779/623/6dfba0733952b44d_original.jpeg)
Pittsburgh Pirates #21 Roberto Clemente Retired Black Stitched MLB Majestic Jersey 44
![Petition Roberto Clemente number 21 have to be retired from all](https://scope.scholastic.com/content/dam/classroom-magazines/scope/issues/2021-22/100121/el-magn%C3%ADfico/SCO-02-100121-P20-PairedText-TN.jpg)
El Magnífico
![Petition Roberto Clemente number 21 have to be retired from all](https://static01.nyt.com/images/2019/04/17/sports/16clemente3/merlin_153571659_eee55928-0131-4660-9dda-db26a46b46e3-articleLarge.jpg?quality=75&auto=webp&disable=upscale)
For Many Latino Players, Roberto Clemente's Number Is Off Limits, Too - The New York Times
![Petition Roberto Clemente number 21 have to be retired from all](https://i.ytimg.com/vi/shlOGwc35pw/maxresdefault.jpg)
21 things you should know on Roberto Clemente Day
![Petition Roberto Clemente number 21 have to be retired from all](https://npr.brightspotcdn.com/dims4/default/0e29597/2147483647/strip/true/crop/975x548+0+206/resize/1200x675!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fwesa%2Ffiles%2F201708%2Fclemente-60.jpeg)
Retire 21: Supporters Seek To Honor Baseball Legacy Of Roberto Clemente
![Petition Roberto Clemente number 21 have to be retired from all](https://www.tiktok.com/api/img/?itemId=7279482941946826027&location=0&aid=1988)
RETIRE 21 💛 #onbasewithmookiebetts #mookiebetts #juliorodriguez #base
![Petition Roberto Clemente number 21 have to be retired from all](https://media.tegna-media.com/assets/WPMT/images/f4f193ab-41bd-4ca8-9337-7ae6a8f36a33/f4f193ab-41bd-4ca8-9337-7ae6a8f36a33_1140x641.jpg)
Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente
![Petition Roberto Clemente number 21 have to be retired from all](https://cdn.theathletic.com/app/uploads/2020/09/02224205/ClementeBoog-scaled.jpg)
Roberto Clemente's No. 21 is 'retired in our hearts' but not on most MLB rosters - The Athletic
![Petition Roberto Clemente number 21 have to be retired from all](https://pbs.twimg.com/media/DfNt7nFXcAAKQ2K.jpg)
Retire 21 (@RetireTwentyOne) / X
![Petition Roberto Clemente number 21 have to be retired from all](https://upload.wikimedia.org/wikipedia/commons/3/3a/Roberto_Clemente_1965.jpg)
Roberto Clemente - Wikipedia
![Petition Roberto Clemente number 21 have to be retired from all](https://assets.change.org/photos/5/uc/zi/YjuCZicpcJQGBaJ-1600x900-noPad.jpg?1494947000)
Petition · Retire Roberto Clemente's Number 21 from Major League Baseball ·