Nasir Whitlock scored 18 points, Joshua Ingram and Edouard Benoit each added 15, and second-seeded Lehigh beat No. 4 seed Boston University 74-60 on Wednesday night.
Hank Alvey added 14 points, nine rebounds, five assists and two blocks for Lehigh (18-16).
Ingram hit a 3-pointer and Whitlock followed with a step-back jumper to make it 13-12 and the Mountain Hawks led the rest of the way.
Ben Defty made 8 of 11 from the field and finished with 21 points and eight rebounds for BU (17-17). Michael McNair added 14 points, Chance Gladden 11 and Donte Tisinger Jr. 10.
Gladden hit a logo 3-pointer at the buzzer Sunday to help BU beat No. 1 seed Navy 73-72.
The Terriers won the 2020 conference tournament, but the ensuing NCAA Tournament was canceled due to COVID.