The Canadian men are currently 10th in the overall standings.

American Perry Baker has become a star since making the transition from football to rugby sevens, registering his 100th try on the World Series circuit at the recent Canada Sevens.

Baker, the nephew of former NFL star Wes Chandler, played football at Division 2 Fairmont State in West Virginia and had a tryout with the Philadelphia Eagles before spending two seasons with the Pittsburgh Power of the Arena Football League.

A speed merchant, his best 40 time is reportedly 4.32 seconds.

New England Patriots safety Nate Ebner made the U.S. sevens team for the Rio Olympics.

Football players face a cardio shock in rugby sevens. While matches are just seven minutes a half, they go at breakneck speed with nary a break unlike stop-and-start football.

Still McGrath is hopeful.

"If he's interested and he shows the aptitude and promise, then we'll work with him over the next few months to try and bring him into rugby," said the English coach.

McGrath says Campbell has been working with a former Canadian sevens player at the University of Regina.

The World Series season ends May 21, a week before CFL camps open.

Campbell played 17 games last season for the Roughriders, who acquired him in a February 2016 trade that sent a fourth-pound pick in the 2017 CFL draft to Calgary.

Campbell was drafted in the third round, 22nd overall, by the Stamps in 2015.

Follow @NeilMDavidson on Twitter

By Neil Davidson, The Canadian Press