As a senior at Arundel High School in Gambrills, Maryland, McCants was an All-State, All-County and All-Metro selection in one season of organized high school football. He led his teams to county and regional championships.
At Delaware State University, McCants played his best season as a senior, at tight end, tallying career-highs of 36 catches, 692 receiving yards and 18 touchdowns. His touchdown total set Delaware State and MEAC records and was No. 1 in NCAA Division I-AA.
McCants was drafted by the Washington Redskins in the fifth round of the 2001 NFL Draft.
Since retiring from football in 2009, McCants worked a personal trainer. In 2019 McCants became a jumping coach for the track team at Wilde Lake High School in Columbia, Maryland which he had attended as a freshman. McCants lives in Ashburn, Virginia and previously coached there at both Briar Woods High School and Rock Ridge High School for six years. McCants has expressed the intent to become an educator, having majored in education at Delaware State.
In September 2019, McCants played in the biennial Congressional Football Game for Charity, an event featuring members of Congress and former NFL players playing against Capitol Police officers to benefit the Capitol Police Memorial Fund, Our Military Kids and A Advantage 4 Kids.