Watch: San Ysidro's Mikey Williams throws down incredible tip dunk against Rancho Christian

San Ysidro guard Mikey Williams, the nation's top freshman, provided a dunk of the year candidate in San Ysidro's loss to Rancho Christian on Friday in the Border Boyz Classic.

Off a missed floater in the lane from teammate Kailen Rains, Williams came flying down the lane, elevated over the back of Rancho Christian's Evan Mobley and threw down an incredible one-handed tip jam. Check out Williams' remarkable dunk below: