Mariano Rivera - Wikipedia
Major League Season RecapMajor League Baseball Season Recap 1995 - This Day In Baseball
Hoffman notches save No. 599
Rivera becomes second pitcher to reach 600 saves in Yankees' win over Seattle
Mariano Rivera, Baseball Wiki
The Inaugural Class of the Hall of Very Good - Diamond Digest
After 596 Saves, Trevor Hoffman Works to Regain Closer's Role - The New York Times
First to 600: Trevor Hoffman's journey to 'save' king
All-time saves leader Trevor Hoffman was nearly a Cleveland Indian: MLB Insider
Trevor Hoffman Retires: Power Ranking the 10 Best Closers in MLB History, News, Scores, Highlights, Stats, and Rumors
All-time saves leader Trevor Hoffman retires at 43
All-Time MLB Saves Leaders - Sports Illustrated
Cooperstown Cred Virtual Ballot for the Hall of Fame Class of 2020 - Cooperstown Cred