After accepting a scholarship to play football at Western Washington University, Wallace transferred to Saint Mary’s College to play rugby, where he was a four-time Collegiate All-American. Was a member of the 2013 Eagles Select XV for the American Rugby Championships in Victoria, British Columbia, Canada. Wallace earned his first Eagles cap in a match against Tonga June 14, 2013. He scored his first international try in the Eagles’ victory against Georgia November 16, 2013. Wallace played for James Bay in Canada’s BC Premier League in 2013 and signed with Glendale Raptors in 2014.