The skip from Coldwater, Ont., scored one in the ninth end to edge Michel 7-6 and improve to 4-0 atop the men's standings.
Edmonton's Kevin Martin is in a three-way for second at 3-1 following a 6-2 win over American Tyler George. China's Rui Liu moved to 3-1 in the only men's Draw 11 match with a 7-3 win over Norway's Thomas Ulsrud (1-3).
Rasmus Stjerne of Denmark is also at 3-1.
On the women's side, Saskatoon's Stefanie Lawton and Edmonton's Heather Nedohin moved into a four-way tie for second place with Winnipeg's Jennifer Jones and Switzerland's Mirjam Ott, who were idle.
Lawton (3-1) scored three in the sixth end in a 7-3 win over Sherry Middaugh of Coldwater, Ont., (2-2).
Nedohin (3-1) scored one in an extra end to edge China's Bingyu Wang (1-3).
In other Draw 11 results, Winnipeg's Chelsea Carey (2-2) warned a 6-2 win over Russia's Anna Sidorova (2-2) and Ottawa's Rachel Homan (2-2) cruised to a 9-2 victory over Japan's Satsuki Fujisawa (0-4).
Margaretha Sigfridsson of Sweden leads the women's standings at 4-0.Suggest a correction