Trevor Hoffman, 1989 Billings Mustangs
Hoffman among many 2018 Hall stories, by MLB.com/blogs
Trevor Hoffman - Baseball Hall of Fame Biographies
Trevor Hoffman - Baseball Hall of Fame Biographies
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Hall of Fame Poll: Trevor Hoffman - Bluebird Banter
OZone Spring 2017 by KY3 - Issuu
Trevor Hoffman went from a shortstop to a pitcher to the Baseball Hall of Fame - Sports Collectors Digest
Trevor Hoffman: Cooperstown Closer - Cooperstown Cred
Hall of Fame case: Trevor Hoffman will find the Mo to get in
2018 GCU Baseball Media Guide by Grand Canyon Athletics - Issuu
Trevor Hoffman - Baseball Hall of Fame Biographies