Hoffman retires after 601 saves in 18 seasons - The San Diego
Trevor Hoffman went from a shortstop to a pitcher to the Baseball Hall of Fame - Sports Collectors Digest
Padres retired numbers
June 6, 2007: Padres' Trevor Hoffman closes out Dodgers for 500th career save – Society for American Baseball Research
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Hoffman retires after 601 saves in 18 seasons - The San Diego Union-Tribune
Hall of Fame Poll: Trevor Hoffman - Bluebird Banter
Red Sox: Craig Kimbrel comparable to Hall of Fame closer Trevor Hoffman
Players with the most saves in MLB history
Trevor Hoffman becomes first Arizona Wildcat inducted into the Baseball Hall of Fame - Arizona Desert Swarm
All time MLB saves leader Trevor Hoffman retires