My guesses (with one I have debated for two hours about).

Picture 1: Roy White
Picture 2: Don Gullett
Picture 3: Tommy John
Picture 4: Rich "Goose" Gossage
Picture 5: Mike Torrez
Picture 6: Bucky Dent
Picture 7: George Zeber + Chris Chambliss
Picture 8: Jay Johnstone
Picture 9: Reggie Jackson
Picture 10: Micky Rivers
Picture 11: Paul Blair
Picture 12: Ed Figueroa

Can't say I know 100% sure that this is fully correct .... one player, I thought it was until I realized he passed in 2002 .... so, I made a change to my list. Hope this is it ... I tried my best