The MLB Relief Pitcher Championship Belt - The Ringer
The Bullpen Series - The New York Times
Athletics relief pitchers all-time ranking
A top 10 list of the best relief pitchers of all time
St Louis Cardinals relief pitcher Dennis Eckersley reacts after News Photo - Getty Images
Graphic: Relievers who have won Cy Young Awards – Boston Herald
Dennis Eckersley top career moments
What was the greatest season by an MLB relief pitcher? - Quora
The Changing Game, Part 6. A comprehensive look at “the unchanging…, by John Thorn
The Unique Hall of Fame Career of Dennis Eckersley - Cooperstown Cred
MLB legend Dennis Eckersley on retiring, going home and the DNA of his No. 43 - The Athletic
Joe Starkey: Dennis Eckersley, Wil Crowe and mass Pirates delusion
Dennis Eckersley one of the greatest relievers ever
Closer (baseball) - Wikipedia
Dennis Eckersley – Society for American Baseball Research