Thompson, Stefanovic lead Purdue comeback, beat Valparaiso

Valparaiso guard Nick Robinson (25) looks for an open teammate as he is guarded by Purdue forward Mason Gillis (0) and guard Brandon Newman (5) during the first half of an NCAA college basketball game Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Valparaiso guard Nick Robinson (25) reacts after a basket during the first half of an NCAA college basketball game against Purdue, Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue forward Trevion Williams (50) goes up for a layup past Valparaiso forward Mileek McMillan (22) during the first half of an NCAA college basketball game Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue center Zach Edey shoots during the first half of the team's NCAA college basketball game against Valparaiso on Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue center Zach Edey (15) goes up for a layup next to Valparaiso's Jacob Ognacevic during an NCAA college basketball game Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Purdue coach Matt Painter gestures during the first half of the team's NCAA college basketball game against Valparaiso on Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Valparaiso forward Jacob Ognacevic (34) goes up for a 3-pointer during the first half of the team's NCAA college basketball game against Purdue on Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)

Valparaiso coach Matt Lottich reacts during the first half of the team's NCAA college basketball game against Purdue on Friday, Dec. 4, 2020, in West Lafayette, Ind. (Nikos Frazier/Journal & Courier via AP)