In three seasons with as the Lions' long snapper, McCullough has played 54 games and made 17 special teams tackles. The Lions have also not suffered a blocked kick in that time.

At Bishop's, McCullough was a three-time QUFL All-Star, and when he finished his career he was second on the Gaiters' all-time career tackles list with 149.

Terms of the contract extension were not disclosed.