Known as "Mr. October" for his World Series heroics, he recorded 563 career home runs and was named American League MVP in 1973. He won 5 World Series Championships, taking home World Series MVP honors in 1973 with the Oakland Athletics and in 1977 with the New York Yankees.
He excelled in football, basketball, baseball, and track at Cheltenham High School in Wyncote, Pennsylvania.
He was inducted into the Hall of Fame in 1993 wearing a Yankees cap, since he was unceremoniously fired from the Oakland A's.
His father Martinez Jackson played baseball in the Negro Leagues. He was married to Jennie Campos from 1968 to 1973. He has a daughter named Kimberly.
His last game for the Yankees was in 1981, a year before another left-handed slugger, Don Mattingly, began his historic career with the Bronx Bombers.