MLB to launch relief award named for greats Rivera and Hoffman
Mariano Rivera: MLB's Greatest Closer - Pinstripes Nation
From unwanted to beloved: Hoffman overcame adversity on Hall of Fame journey - The San Diego Union-Tribune
Major League Baseball Reliever of the Year Award - Wikipedia
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Jansen named 2017 NL Reliever of the Year, by Rowan Kavner
Reliever Of The Year Awards Named After Mariano Rivera, Trevor Hoffman
List of Major League Baseball career saves leaders - Wikipedia
Ranking the 10 Greatest Relief Pitchers in Baseball History
Top 6 Best MLB Relief Pitchers of All Time
Covering the Closer: Two Decades of Writing on Mariano Rivera - The New York Times
A 21-stat salute to Mariano Rivera - ESPN
