While their team has produced a string of decisive victories, North Carolina coach Roy Williams and forward John Henson still see plenty of room for improvement.
After using a late surge to put away their most recent opponent, the third-ranked Tar Heels could use a better performance Tuesday night against Miami, a team that's given them problems over the past couple of seasons.
Since falling at then-No. 1 Kentucky on Dec. 3, North Carolina (14-2, 1-0 ACC) has won eight straight - all at home - and prevailed in each of its last six games by at least 15 points. However, that doesn't necessarily mean the Tar Heels have had it easy in every game.
They let Boston College trim a 21-point lead to nine with 9:18 remaining before going on a 22-8 run in a 83-60 victory Saturday and extended its record win streak at the Smith Center to 27 games.
"Sometimes, when we get a good lead, we let up defensively and we just want to run out and score," Henson said. "I think we've got to just play D ...