Tom Sheehan becomes the oldest person to debut as a major league manager. The 66 year-old replaces fired Giant skipper Bill Rigney, resulting with the then second-place club finishing the season fifth, 16 games behind Pittsburgh.

On June 18, 1960 Tom Sheehan becomes the oldest person to debut as a major league manager. The 66 year-old replaces fired Giant skipper Bill Rigney, resulting with the then second-place club finishing the season fifth, 16 games behind Pittsburgh.