For one night, Reggie Bullock stopped thinking so much about his shot and just let the ball fly. Roy Williams and top-ranked North Carolina couldn't have been happier with the results. The sophomore reserve scored a career-high 23 points and Kendall Marshall had 15 assists to help the Tar Heels beat Tennessee State 102-69 on Tuesday night, keeping them unbeaten before heading west for their second cross-country trip of the month.