Goudelock put on a show in his final game at Carolina First Arena. His first 3-pointer gave sixth-seeded Charleston (25-10) the lead for good, 20-18. The senior hit two 3s three minutes later that pushed the lead to 31-21.
Chris Wright had 21 points for Dayton (22-14), which normally would have been at home as the higher seed but its arena was being used for the NCAA Tournament's opening games.
ALABAMA 68, COASTAL CAROLINA 44
In Tuscaloosa, Ala., Tony Mitchell, Charvez Davis and Trevor Releford all scored 12 points to lead Alabama.
The top-seeded Crimson Tide (22-11) built a 20-point lead late in the first half and never let the short-handed Chanticleers (28-6) get anything going.
Mitchell, a Swainsboro, Ga., native, came off the bench and hit back-to-back 3-pointers to help begin the rout, going 3 for 4 from beyond the arc.
CLEVELAND STATE 63, VERMONT 60
In Cleveland, Norris Cole scored 27 points, including the go-ahead basket with 1:23 remaining, and Cleveland State (27-8) beat Vermont.
Pat Bergmann, who came into the game averaging 1.1 points, scored 16 to lead Vermont (23-9).
OKLAHOMA STATE 71, HARVARD 54
In Stillwater, Okla., Aiken native Marshall Moses had 18 points and eight rebounds, and third-seeded Oklahoma State had its highest-scoring first half of the season in a victory over sixth-seeded Harvard.
Oklahoma State (20-13) scored 41 points in the first half and won an NIT game for the first time since 1997.
Kyle Casey led Harvard (23-7) with 13 points.
MISSOURI STATE 89, MURRAY STATE 76
In Springfield, Mass., Jermaine Mallett scored a career-high 23 points, leading Missouri State (26-8) over Murray State (23-9).
Kyle Weems finished with 14 points for Missouri State and Will Creekmore added 13.
Ivan Aska led No. 6 seed Murray State with 16 points and Jewuan Long added 15.