De'Mon Brooks scored 19 points and Davidson beat Vanderbilt 75-62 on Thursday in the first round of the Old Spice Classic.
Nik Cochran and Jake Cohen added 14 points each for Davidson (2-2).
Kedren Johnson had a career-high 28 points for Vanderbilt (1-2). The Commodores, coming off a 78-48 loss to Oregon, also got 14 points from Kyle Fuller.
Baskets by Brooks and Chris Czerapowicz put Davidson ahead 57-52 at the midpoint of the second half. The Wildcats, keyed by Clint Mann's dunk and a 3 by Cochran, scored the next nine points and increased their lead to 66-52 with 6 minutes remaining.
Davidson will play West Virginia in a winner's bracket game Friday. Vanderbilt will play Marist, which lost 87-44 to West Virginia.