On This Day in A's History: Dennis Eckersley's First Save at the Coliseum - Athletics Nation
The MLB Relief Pitcher Championship Belt - The Ringer
Gammons: Closers like Craig Kimbrel will be key in October, but pitching more than an inning can be challenging - The Athletic
Dennis Eckersley becomes the second pitcher to record a 50-save season
Best Baseball Relief Pitchers Ever - HubPages
Relief Pitching Strategy: Past, Present, and Future? – Society for American Baseball Research
Baseball Hall of Fame 2019: 50 highlights from Yankees great Mariano Rivera's record-setting career
BP: Unconventional Wisdom: How good has K-Rod really been? - Sports Illustrated
Eckersley's 50th save of 1992
Dennis Eckersley Baseball Stats by Baseball Almanac
Dennis Eckersley: The hair, the 'stache, the saves
Who is the greatest MLB pitcher to not win 20 games during a season in their career? - Quora
Elephant Rumblings: Sean Manaea Update, The Gradual Spread of the Opener - Athletics Nation
Eck's long haul to fame