Waddleton was a member of three Holy Cross men’s basketball teams, which posted a combined record of 53-24, advancing to the NIT and the NCAA Tournament. Waddleton was a two-year starter, earning All-New England honors during his senior campaign.
He served as a team captain during the 1956-1957 season, leading the team in scoring, averaging 18.5 points per game. A pure shooter, Waddleton was also responsible for running the Crusaders’ offense. As a senior, he managed to lead the team in scoring 11 times out of 24 games. He also scored a career-best 29 points in an 88-78 win over national power New York University. Waddleton retired after a career with General Motors.