![Paul Lukas on Twitter: RT @sportslogosnet: On this date in 1973, three months after his death, the Pittsburgh #Pirates retire Roberto Clemente's number 21 in a ce… / Twitter](https://pbs.twimg.com/media/EU7SFiYX0AAKDwf.jpg)
Paul Lukas on Twitter: RT @sportslogosnet: On this date in 1973, three months after his death, the Pittsburgh #Pirates retire Roberto Clemente's number 21 in a ce… / Twitter
![Paul Lukas on Twitter: RT @sportslogosnet: On this date in 1973, three months after his death, the Pittsburgh #Pirates retire Roberto Clemente's number 21 in a ce… / Twitter](https://pbs.twimg.com/media/E-sql_VXsAAedn8.jpg:large)
Paul Lukas on Twitter: Per team spox, Pirates players will once again all wear No. 21 on Roberto Clemente Day, which is Sept. 15 this year. cc: @lloydalaban / X
![Paul Lukas on Twitter: RT @sportslogosnet: On this date in 1973, three months after his death, the Pittsburgh #Pirates retire Roberto Clemente's number 21 in a ce… / Twitter](https://pbs.twimg.com/media/EU7SEzRXQAAVhhE.png)
Paul Lukas on Twitter: RT @sportslogosnet: On this date in 1973, three months after his death, the Pittsburgh #Pirates retire Roberto Clemente's number 21 in a ce… / Twitter