Twilight of the Closers: Trevor Hoffman's changeup was millions of years in the making – Scientific Inquirer
Trevor Hoffman's Place in the Top 10 Greatest Closers in MLB History, News, Scores, Highlights, Stats, and Rumors
In the MLB, why do MLB players or pitchers call time-out when there isn't a time clock in baseball? - Quora
MLB Trade Rumors and News: MLB announces MiLB organizational changes - MLB Daily Dish
The story of how Trevor Hoffman developed his devastating changeup
The story of how Trevor Hoffman developed his devastating changeup
Trevor Hoffman Retires: Power Ranking the 10 Best Closers in MLB History, News, Scores, Highlights, Stats, and Rumors
Trevor Hoffman Change-Up Cue
After 596 Saves, Trevor Hoffman Works to Regain Closer's Role - The New York Times
Trevor Hoffman went from a shortstop to a pitcher to the Baseball Hall of Fame - Sports Collectors Digest
1967 BOSTON RED SOX
A reminder on just how dirty Trevor Hoffman's changup was : r/baseball