Sheets ran for a career-high 178 yards and two TDs in leading Saskatchewan past the Toronto Argonauts 39-28 on Thursday night at Rogers Centre. Sheets leads the CFL in rushing with 442 yards, the most to start a season after three games.
Riders linebacker Renauld Williams was named the top defensive player after registering eight tackles and two sacks against Toronto.
Calgary kicker Rene Paredes was named top special-teams player after booting five field goals and a convert in a 22-14 win over the Montreal Alouettes.
Toronto receiver Andre Durie claimed top Canadian honours after registering seven catches for 100 yards and a TD against Saskatchewan.