April 30, 2002: Al Leiter becomes first pitcher to beat all 30 major-league franchises – Society for American Baseball Research
Former MLB pitcher Al Leiter gives back to his alma mater
Leiter earns win milestone, 04/30/2002
Former MLB pitcher Al Leiter gives back to his alma mater
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Former MLB pitcher Al Leiter gives back to his alma mater
Al Leiter Stats, Fantasy & News
2023 St. Paul Saints Media Guide by stpaulsaints - Issuu
just four teams
This Date In Mets History: April 30—Al Leiter defeats his 30th
Baseball icon Al Leiter's HS battle remembered 30 years later
