The Yankees had the best reliever in baseball this year, when

Talkin' Yanks on X: The Yankees 3.34 reliever ERA was the best in MLB this season / X

Mariano Rivera: MLB's Greatest Closer - Pinstripes Nation

In your opinion, who was the best relief pitcher for the New York Yankees? - Quora

Sporcle Friday: Best Reliever Seasons in Mariner History - Lookout Landing

Yankees Closer Mariano Rivera Is So Good, It Hurts

Now Pitching for the Yankees … These 13 Guys - The New York Times

Who should be the Yankees' closer? Our Top 5 candidates ranked

Closer (baseball) - Wikipedia

Michael King: Yankees pitcher helps team atop MLB standings

Why a Backup Catcher Pitched for the Yankees—and Their Best Relievers Didn't - WSJ

Milwaukee Brewers: Josh Hader's spot secured as one of MLB's best relievers

New York Yankees May Have Found Another Starter for Next Season - Sports Illustrated NY Yankees News, Analysis and More

Who are the best MLB relief pitchers of all-time? - New Baseball Media

Brewers closer Josh Hader, MLB's best reliever, keeps getting better

Yankees reliever from Anchor Bay hit in head with line drive during game against Pittsburgh – Macomb Daily

MORE