Bruce Sutter - Wikipedia
Remembering Phil Niekro: 1939-2020 - Cooperstown Cred
Joe Nathan and the Cooperstown Closer Conundrum - Cooperstown Cred
Hall of Famer and Cy Young winner, Bruce Sutter, dies at 69
In Memoriam: Bruce Sutter – Society for American Baseball Research
Hall of Famers Archives - Cooperstown Cred
Bruce Sutter, baseball Hall of Fame closer and pioneer of split
Hall of Fame pitcher Bruce Sutter dies at age 69
Bruce Sutter Baseball Stats by Baseball Almanac
Bruce Sutter, baseball Hall of Fame closer and pioneer of split
Former Cubs closer and Hall of Famer Bruce Sutter has died - Bleed
From Golden Spikes to First Overall
Hall of Fame pitcher Bruce Sutter dies at age 69
Hall of Fame pitcher Bruce Sutter dies at age 69