Mark McGwire, Simpsons Wiki
Springfield '17: A Modern-Day Homer at the Bat Lineup - Banished to the Pen
Cardboard appreciation: 1973 Topps Luis Alvarado
Watch Mark McGwire homer in four straight games to open the 1998 season - Viva El Birdos
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This Simpsons costume contest was amazing : r/TheSimpsons
Homer at the Bat' turns 30: A collection of memories from all nine All-Stars in 'The Simpsons' classic
Pastime
The Simpsons S11E02 Brother's Little Helper
Brother's Little Helper, Simpsons Wiki
Frinkiac - S11E02 - HI, FOLKS. I'M MARK MCGWIRE.
Brother's Little Helper, Simpsons Wiki
Springfield '17: A Modern-Day Homer at the Bat Lineup - Banished to the Pen