Former North Carolina head coach Roy Williams, right, and wife Wanda Williams watch the first half of an NCAA college basketball game between North Carolina and Purdue, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue head coach Matt Painter points in the first half of an NCAA college basketball game against North Carolina, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Sasha Stefanovic dribbles the ball as North Carolina's Caleb Love, back, defends in the first half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

North Carolina's Dawson Garcia (13) makes a 3-point basket in the first half of an NCAA college basketball game against Purdue, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Sasha Stefanovic (55) reacts to making a 3-point basket in the first half of an NCAA college basketball game against North Carolina, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

North Carolina's R.J. Davis (4) shoots over Purdue's Ethan Morton (25) in the first half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Trevion Williams (50) is fouled by North Carolina's Dawson Garcia (13) in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

North Carolina's R.J. Davis (4) fouls Purdue's Jaden Ivey (23) in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Jaden Ivey (23) shoots over North Carolina's Brady Manek (45) in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Sasha Stefanovic (55) reacts to a 3-point basket in the second half of an NCAA college basketball game against North Carolina, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

North Carolina head coach Hubert Davis watches play in the second half of an NCAA college basketball game against Purdue, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Eric Hunter Jr. (2) shoots over North Carolina's R.J. Davis (4) in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Zach Edey, right, shoots over North Carolina's Dawson Garcia in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Trevion Williams (50) goes up for a basket against North Carolina in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Trevion Williams, front, is guarded by North Carolina's Dawson Garcia in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue's Sasha Stefanovic (55) drives to the basket as North Carolina's Anthony Harris (0) defends in the second half of an NCAA college basketball game, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)

Purdue fans cheer on their team in the second half of an NCAA college basketball game against North Carolina, Saturday, Nov. 20, 2021, in Uncasville, Conn. (AP Photo/Jessica Hill)