2016 Major League Baseball Relievers of the Year - Last Word On Baseball
Brewers' Josh Hader repeats as top relief pitcher in National League
Mariano Rivera, Trevor Hoffman and MLB's memorable closers - Sports Illustrated
Mariano Rivera dealt with plenty of adversity on the way to being baseball's greatest closer – New York Daily News
Mariano Rivera: MLB's Greatest Closer - Pinstripes Nation
Major League Baseball Reliever of the Year Award - Wikipedia
Bowden: Early MLB award predictions for MVP, Cy Young, Rookie of the Year and more - The Athletic
Jansen named 2017 NL Reliever of the Year, by Rowan Kavner
Top 6 Best MLB Relief Pitchers of All Time
Relievers of the Year: Aroldis Chapman, Josh Hader