Travis Bader drilled two free throws with one second left in regulation, then hit another pair with 9 seconds left in overtime to allow No. 6-seeded Oakland to escape No. 7 Youngstown State, 96-92 in a Horizon League tournament opener Tuesday.
Oakland trailed by 10 with three minutes to play in regulation, but scored 10-straight points to pull even at 75 on three free throws by Bader.
The Penguins led by four with eight seconds left, but Bader drilled a 3 to make it 80-79, then fouled Ryan Weber with one second left, who missed the first of two free throws to make it 81-79.
Fletcher Larson fouled Bader on the in-bounds play and Bader forced the extra period.
Bader finished with 39 points and was 18 of 18 from the line for Oakland (13-19). Kendrick Perry scored 35 points and Ryan Weber added 22 to lead Youngstown State (15-17).
Valparaiso 73, Illinois-Chicago 63
Alec Peters scored 29 points for No. 4 seed Valparaiso.
Peters scored eight points during an 18-5 run as Valparaiso (18-14) opened a 31-18 lead, en route to a 39-28 halftime advantage.
Illinois-Chicago (6-25) cut the deficit to 59-56 with 6:29 remaining. But the Crusaders scored the next four points as Peters made a free throw before LaVonte Dority added three free throws less than a minute later for a 63-56 lead.
Valparaiso made 8 of 10 free throws in the final minute to preserve the win. Dority joined Peters in double figures with 12 points.
Marc Brown led Illinois-Chicago with 16 points. Jordan Harks added 14 points and nine rebounds while Kelsey Barlow had 11 points and nine rebounds.
Valparaiso will play fifth-seeded Milwaukee in a quarterfinal matchup Friday.
Milwaukee 83, Detroit 73
Jordan Aaron and Steve McWhorter combined to score 31 points to power No. 5-seed Milwaukee past No. 8 Detroit.Juwan Howard Jr. scored 21 points to lead Detroit, with Matthew Grant and Evan Bruinsma adding 16 and 14 points, respectively.