Delveaux played college football at the University of Illinois at Urbana–Champaign and was their team captain. He joined the Blue Bombers in 1959 and played both offense and defense. In the 1961 CFL season, he replaced an injured Charlie Shepard as the punter and did a commendable job in the team's Grey Cup victory. In 1962, he became their regular punter up to his final year, averaging 42.1 yards per punt over 5 years. As a linebacker, he intercepted 9 balls in his career, 4 of which in 1962, and recovered 4 fumbles.