Leading from start to finish, the Boomers went up by a margin of 27 points before settling for the 109-89 victory over Japan in Okinawa Arena Tuesday. Coming off the bench in style, Xavier Cooks posted a 24-point, 16-rebound double-double in Gameday 3 of Group E. Oklahoma City Thunder’s Josh Giddey also recorded a double-double with 26 points and 11 assists to go with five rebounds.