Tar Heels look for toughness in ACC/Big Ten Challenge Posted Nov 27, 2012 Back from the Maui Invitational with perhaps more questions than answers, North Carolina men’s basketball coach Roy Williams figures to add material in both categories tonight. That’s because his 14th-ranked Tar Heels play at No. 1 Indiana as part of the ACC/Big Ten Challenge. The three games in three days last week weren’t as revealing as in many years in the highly respected tournament. (Burlington Times News)