Pioneering relief pitcher Rollie Fingers made his case for greatness 35 years ago

Tee-Ball All-Star – SABR's Baseball Cards Research Committee

Fingers, Rollie Baseball Hall of Fame

The MLB Relief Pitcher Championship Belt - The Ringer

261 Rollie Fingers Oakland Athletics Photos & High Res Pictures - Getty Images

Milwaukee Brewers: Josh Hader is a Throwback to Rollie Fingers

Brewer hurler Rollie Fingers becomes the first relief pitcher ever to win the American League MVP Award - This Day In Baseball

CAWS Career Gauge – Part 2

Athletics relief pitchers all-time ranking

One on One Legend: Rollie Fingers Back-Story - Jane Mitchell One on One

Rollie fingers hi-res stock photography and images - Alamy

The History of Relief Pitching Part One: 1871-1945 - Cooperstown Cred