Rollie Fingers played for the Padres from 1977-1980 and wore #34.
From what I've researched, no one wore number 21 for the San Diego Chargers in 1998.
Maddux wore No. 31 for the Chicago Cubs from 1986 to 1992, and again in 2006. He also wore 31 as a member of the Atlanta Braves from 1993 to 2003. Maddux wore No. 36 for the Los Angeles Dodgers in 2006 and 2008, and No. 30 for the San Diego Padres in 2007 and 2008.
Graig Nettles wore #9 for the Yankees and Padres.
Johnny Pesky wore number six. That number is now retired.
Click on the link below to see all the players that wore #85 for the Steelers.
Junior Seau!
There are 270 players who wore the number 20 at one point. The notable players are: Ray Allen, Manu Ginobili, Gary Payton, and Micheal Ray Richardson.
Otis "OJ" Anderson, RB
Click on the link below to see all the players that wore number 42 for the Yankees.
Click on the link below to see all the players who wore #24 on the Yankees.
Kevin Grevey wore # 35.