How the ‘unbelievable’ defense of UNC’s Leaky Black stomped out UNLV’s spark Posted Dec 1, 2020 North Carolina will face many more teams that use four-guard lineups as UNLV did Monday night. Thanks to Leaky Black, it might be much less of a problem for the Tar Heels to defend. All-Mountain West guard Bryce Hamilton led the Rebels’ attack early. Things changed quickly once Roy Williams made the defensive switch to put the 6-8 Black on Hamilton. (MSN.com)