Petrusev leads No. 1 Gonzaga over Detroit Mercy 93-72

Detroit Mercy forward Willy Isiani, right, shoots over Gonzaga forward Filip Petrusev during the first half of an NCAA college basketball game in Spokane, Wash., Monday, Dec. 30, 2019. (AP Photo/Young Kwak)

Detroit Mercy forward Chris Brandon, left, and Gonzaga forward Corey Kispert go after a rebound during the first half of an NCAA college basketball game in Spokane, Wash., Monday, Dec. 30, 2019. (AP Photo/Young Kwak)

Detroit Mercy guard Antoine Davis, right, shoots over Gonzaga guard Admon Gilder during the second half of an NCAA college basketball game in Spokane, Wash., Monday, Dec. 30, 2019. (AP Photo/Young Kwak)

Gonzaga forward Filip Petrusev (3) shoots while pressured by Detroit Mercy forward Chris Brandon (21) during the first half of an NCAA college basketball game in Spokane, Wash., Monday, Dec. 30, 2019. (AP Photo/Young Kwak)

Detroit Mercy guard Antoine Davis, left, drives the ball around Gonzaga forward Filip Petrusev during the first half of an NCAA college basketball game in Spokane, Wash., Monday, Dec. 30, 2019. (AP Photo/Young Kwak)