WEST LAFAYETTE, Ind. -- The son of Purdue basketball legend Glenn "Big Dog" Robinson came to Mackey Arena on Wednesday night and broke his father's former team's heart.

Sophomore forward Glenn Robinson III's layup at the overtime buzzer lifted the Big Ten Conference leading and 16th-ranked Wolverines to a 77-76 victory over the Boilermakers.

Michigan, which trailed by as many as 19 points in the first half, trailed 76-75 with 12.2 seconds remaining when Purdue freshman guard Kendall Stephens missed the front end of a one-and-one free throw situation with a chance to give Purdue a three-point lead.

The Wolverines (20-7, 12-3 Big Ten) called a timeout with 2.9 seconds to play, and then Purdue countered with a timeout after seeing the Michigan alignment.

Guard Spike Albrecht inbounded the ball from in front of the Michigan bench to Robinson, who was in the far corner.

Robinson slithered to the rim and got the layup to fall as the final horn sounded. The officials looked at the monitor to make sure the shot was released before the horn. It was clear that it was good.

Glenn Robinson II was the 1994 Woodlen Award winner and the first selection in the 1994 NBA Draft, going to the Milwaukee Bucks. His son attended Lake Central High School, about 90 miles north of the Purdue campus but opted to sign with Michigan.

Purdue, which got a game-best 22 points from senior guard Terone Johnson, fell to 15-13, 5-10 and has dropped eight of its 10 most recent games. The Boilermakers have lost three in a row.

Purdue ran out to a 7-0 lead, and the Boilermakers took advantage of Michigan's cold field-goal shooting to build a 37-24 advantage at-halftime.

The Wolverines made only three of their first 17 field goal attempts and found themselves on the short end of a 27-8 score after Terone Johnson sank a 3-pointer.

Michigan countered with a 16-6 run to slice the deficit to 33-24 with 1:23 left before intermission, but Purdue got field goals from center A.J. Hammons and point guard Ronnie Johnson during the final minute to increase the margin to 13.

The Boilermakers made 13 of 25 opening-half field goal attempts (52 percent), including five of 11 from beyond the arc, and 6 of 6 from the free-throw line. Michigan was 8 of 27 from the field (29.6 percent), including 2 of 10 from 3-point range, and 6 of 9 from the line.

Terone Johnson scored 16 first-half points, and younger brother Ronnie added 11 during the opening half. They combined to make 10 of 15 field goal attempts, five of seven from 3-point range.

Guard Nik Stauskas, Michigan's leading scorer and a Big Ten Player of the Year candidate, had eight first-half points but was only 3-for-10 from the field, 0-for-2 from beyond the arc.

NOTES: Purdue played without backup C Jay Dimpson, a redshirt freshman who collapsed to the floor in Sunday's loss at Nebraska and complained of dizziness. Simpson subsequently underwent a battery of tests to try to determine the core of the issue. ... Entering Wednesday's game, Purdue was winless against Michigan in West Lafayette since January 2010. ... Michigan was 3-3 in its six most recent games before Wednesday.