Danny Cox was born in Northampton, Northamptonshire, where his father was stationed while serving in the United States Air Force. When he was two, Cox and his family moved back to the United States. They settled in Warner Robins, Georgia, where he attended Warner Robins High School. After high school, He attended Chattahoochee Valley Community College in Phenix City, Alabama before receiving a scholarship to Troy University in Troy, Alabama. Cox was selected in the 13th round of the 1981 Major League Baseball Draft by the Cardinals. Over Cox’ eleven-year big league career, he won 74, lost 75, recorded a 3.64 earned run average (ERA), 21 complete games, five shutouts, and eight saves. Cox won Game 3 of the 1985 National League Championship Series with the Cardinals trailing 2 games to none. He pitched well in the 1985 World Series, but earned two no-decisions. Cox pitched a shutout in Game 7 of the 1987 National League Championship Series, and was the winning pitcher in Game 5 of the 1987 World Series. After being removed in Game 7, he argued with umpire Dave Phillips; Cox was then ejected, as he left the field.