Trevor Hoffman notches career save No. 600
MLBs's all-time saves leader retires, Local Sports
Rivera gets 600th save in Yankees' 3-2 win - The San Diego Union-Tribune
This Week in Baseball History: September 7 - 13
Trevor Hoffman – Society for American Baseball Research
Trevor Hoffman - Wikipedia
Rivera closes out Mariners in Yankees' 3-2 win - The San Diego Union-Tribune
Trevor Hoffman's Place in the Top 10 Greatest Closers in MLB History, News, Scores, Highlights, Stats, and Rumors
Hoffman retires, will wear 'different hats' for the Padres - The San Diego Union-Tribune