Wallace-Sims was introduced to the sport at the age of 9, while playing for his home town club Devonport Services. He then went on to play for Ivybridge College, a feeder team for Gallagher Premiership’s Exeter Chiefs. Impressive performances there caught the eye of Canterbury Rugby Football Club, in the National 2 league.
After strong showings in the National 2, Wallace-Sims was selected to play for the USA U20 team in the 2014 Junior World Rugby Trophy competition, featuring the game’s bright young stars from around the world. The team finished third, due in large part to the play of Wallace-Sims, beating Hong Kong, Georgia, and Uruguay along the way.
Wallace-Sims moved to New York City and linked up with national powerhouse Old Blue Rugby Football Club. He has been a staple for the team ever since, helping them climb into national prominence in both forms of the game, 7s and 15s. After numerous impressive showings, USA 7s invited the young quick-stepper to the Olympic Training Center in Chula Vista, California.Wallace-Sims has now appeared for the national team in two HSBC World Series tournaments.