Colorado State center Colton Iverson (45) becomes entangled with Colorado forward Josh Scott as they fight for a rebound in the first half of an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State forward Pierce Hornung, front, picks up a loose ball under the basket as Colorado forward Josh Scott, back left, and guard Andre Roberson cover in the first half of an NCAA college basketball game in Boulder, Colo., Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado head coach Tad Boyle directs his team against Colorado State in the first half of an NCAA college basketball game in Boulder, Colo., Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado guard Andre Roberson, left, passes the ball as Colorado State forward Pierce Hornung covers in the first half of an NCAA college basketball game in Boulder, Colo., Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State forward Greg Smith, left, hits the floor to pick up a loose ball as Colorado guard Askia Booker covers in the first half of an NCAA college basketball game in Boulder, Colo., Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado guard Andre Roberson celebrates after dunking for a basket against Colorado State in the first half of an NCAA college basketball game in Boulder, Colo., Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado guard Andre Roberson, left, struggles to pull in a rebound as Colorado State guard Daniel Bejarano covers in the second half of Colorado's 70-61 victory in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State guard Dorian Green, center, reaches out for a loose ball as Colorado forward Xavier Johnson, front, and guard Askia Booker cover in the second half of Colorado's 70-61 victory in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State guard Dorian Green, right, loses his footing after being fouled by Colorado guard Askia Booker in the second half of Colorado's 70-61 victory in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State head coach Larry Eustachy argues a call against his team in the second half of Colorado's 70-61 victory over Colorado State in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State center Colton Iverson, front, flies through the air after dunking for a basket in front of Colorado center Josh Scott in the second half of Colorado's 70-61 victory in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado head coach Tad Boyle directs his team in the second half of Colorado's 70-61 victory over Colorado State in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado State head coach Larry Eustachy directs his team in the second half of Colorado's 70-61 victory over Colorado State in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)

Colorado guard Spencer Dinwiddie, front, looks to pass the ball as Colorado State guard Jordan Mason covers in the second half of Colorado's 70-61 victory in an NCAA college basketball game in Boulder, Colo., on Wednesday, Dec. 5, 2012. (AP Photo/David Zalubowski)