August 4, 1991: Mike Mussina tosses 4-hitter in MLB debut, but Orioles lose 1-0 – Society for American Baseball Research

Mike Mussina's departure from Orioles still rankles some, but decision might have paved his way to Cooperstown

Mike Mussina elected to National Baseball Hall of Fame

The inevitable departure of Mike Mussina - Camden Chat

1991 Impel Line Drive AAA Baseball Box - Kent? Mussina? 10s?

1991 Impel Line Drive AAA Baseball Box - Kent? Mussina? 10s?

Mike Mussina's departure from Orioles still rankles some, but decision might have paved his way to Cooperstown – The Morning Call

Mussina one strike away from perfection

Mussina flirts with perfection, throwing first of four career one-hitters