The Hall of Fame slugger for the Atlanta Braves best known for breaking Babe Ruth's home run record -- which Vin Scully narrated with an iconic call -- also made a number of TV cameos. In 1989, he joined fellow baseball Hall of Famers Micky Mantle, Willie Mays, Reggie Jackson, Johnny Bench and Ernie Banks on his good friend Bob Uecker's ABC sitcom Mr. Belvedere. He also played himself on MacGyver, Touched by an Angel, Happy Days and Futurama. Two weeks ago, Aaron allowed TV cameras to follow him as he got vaccinated with the COVID-19 vaccine. Aaron died in his sleep. A cause of death is unknown. ALSO: Watch Aaron's appearances with David Letterman.