Diakite, defense lead No. 5 Virginia past No. 7 UNC 56-47

Virginia forward Jay Huff (30) and North Carolina guard Cole Anthony, right, collide under the basket during the first half of an NCAA college basketball game in Richmond, Va., Sunday, Dec. 8, 2019. (AP Photo/Steve Helber)

North Carolina guard Leaky Black (1) and teammate forward Garrison Brooks (15) pressure Virginia forward Mamadi Diakite, center, during the first half of an NCAA college basketball game in Richmond, Va., Sunday, Dec. 8, 2019. (AP Photo/Steve Helber)

Virginia head coach Tony Bennett directs his team during the first half of an NCAA college basketball game against North Carolina in Richmond, Va., Sunday, Dec. 8, 2019. (AP Photo/Steve Helber)

North Carolina head coach Roy Williams directs his team during the first half of an NCAA college basketball game in Richmond, Va., Sunday, Dec. 8, 2019. (AP Photo/Steve Helber)