Listed at 5 ft 11 in (1.80 m), 185 lb (84 kg), Roselli batted and threw right-handed.

Following his discharge, Roselli played in parts of three seasons with the Braves as a backup for Del Crandall (1955–56, 1958), and later joined the Chicago White Sox to help Sherm Lollar for two years (1961–62).

Following his big-league career, Roselli played for Triple-A Hawaii Islanders in 1963, his last baseball season.

After retiring, he was a scout for the Baltimore Orioles and Cincinnati Reds, worked as a salesman and also coached youth baseball teams.

This biographical article relating to an American baseball catcher born in the 1930s is a stub.