He captured the Golden Gloves and Diamond Belt Featherweight titles, and ended his career with an impressive record of 91-4.

As a welterweight he lost two close decisions to the legendary Sugar Ray Robinson.

Servo’s boxing career was interrupted by service in the United States Coast Guard during World War II.

He resumed his career after the War and won the World Welterweight Title by knocking out Freddie "Red" Cochrane in the fourth round on February 1, 1946.

He agreed to fight the middleweight contender Rocky Graziano in a non-title match.