Trey Kaufman-Renn scored a career-best 26 points and collected eight rebounds to lead No. 13 Purdue to an 87-78 triumph over No. 2 Alabama in a Friday night nonconference showdown at West Lafayette, Ind.

Braden Smith produced 17 points, 10 assists and six rebounds and Fletcher Loyer also scored 17 points for the Boilermakers (4-0). C.J. Cox scored nine of his 11 points during a go-ahead run for Purdue midway through the second half.

Labaron Philon scored 18 points on 7-of-10 shooting before fouling out for the Crimson Tide (3-1). Mark Sears had 15 points and six assists, Grant Nelson added 12 points and 11 rebounds before fouling out and Latrell Wrightsell Jr. scored 11 points for Alabama.

Purdue shot 49.2 percent from the field, including 9 of 16 (56.3 percent) from 3-point range, while winning its 21st straight home game. The Boilermakers committed just three turnovers.

The Crimson Tide knocked down 44.4 percent of their field-goal attempts and were 9 of 29 (31 percent) from behind the arc.

Purdue trailed by six with less than 11 minutes to play before erupting for 13 consecutive points. Cox hit three 3-pointers in 52 seconds, the first to put the Boilermakers ahead and the third to give them a 72-65 lead with 8:21 remaining.

Alabama later trailed 78-74 after Nelson’s three-point play with 3:19 left. Kaufman-Renn hit a short bank shot and Smith and Caleb Furst each made two three throws to give the Boilermakers a 10-point lead with 2:01 to go en route to putting it away.

Alabama shot just 1 of 9 from 3-point range in the first half before embarking on a turnaround in the second half.

Philon, Wrightsell and Sears all buried treys during a 9-2 run that saw the Crimson Tide take a 49-46 lead with 16:57 left in the game.

Nelson hit a 3-pointer to give Alabama a 54-53 lead with 14:33 left. After Kaufman-Renn made two baskets in 34 seconds for the Boilermakers, Philon drained a 3-pointer to tie it at 57 with 13:11 to play and start an 11-2 run.

Nelson followed with a layup to put Alabama ahead. A short time later, Aden Holloway buried a trey to end the burst and give the Crimson Tide a 65-59 advantage with 10:59 remaining before Purdue took over.

Kaufman-Renn scored 13 points and Loyer had 10 in the first half as the Boilermakers led 42-40. Sears and Philon had 10 points apiece in the half for Alabama.

The Crimson Tide led for just 22 seconds in the first half with their first advantage coming at 38-37 on two free throws by Sears with 47.1 seconds to go before the break.

After Alabama’s second lead, Loyer drained a buzzer-beating 3-pointer for the Boilermakers.