Major League Baseball pitcher best known for his 9-year stint with the Chicago Cubs.
He was born in Lusk, Wyoming and graduated from Fresno High School in Fresno, California.
Over his career, he had a 115–137 record with 1140 strikeouts and a 3.72 ERA in 2155.2 innings.
He is the father of baseball player Steve Ellsworth.
He and Ernie Banks both played for the Chicago Cubs.