North Carolina's Nassir Little, right, drives past Iona's Rickey McGill in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

North Carolina's Kenny Williams (24) shoots over Iona's Tajuan Agee (12) in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona's Tajuan Agee, left, and North Carolina's Nassir Little battle for a rebound in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona's bench reacts in the first half against North Carolina during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona head coach Tim Cluess yells instructions to players in the first half against North Carolina during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

From left to right, Iona's E.J. Crawford, North Carolina's Cameron Johnson and Iona's Ben Perez battle for the ball in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona's E.J. Crawford (2) looks to pass against North Carolina's Garrison Brooks (15) in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona's Andrija Ristanovic reacts after hitting a three-point basket in the first half against North Carolina during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

Iona's E.J. Crawford (2) drives past North Carolina's Nassir Little (5) in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

Iona's Asante Gist (3) shoots over North Carolina's Seventh Woods (0) in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

Iona's E.J. Crawford (2) drives past North Carolina's Luke Maye (32) in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

North Carolina's Garrison Brooks (15) and Iona's Rickey McGill (0) battle for the ball in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

North Carolina's Garrison Brooks (15) and Iona's Tajuan Agee (12) battle for the ball in the first half during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

North Carolina head coach Roy Williams reacts in the first half against Iona during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

North Carolina's Luke Maye, back, and Nassir Little hug in the final seconds of the second half against Iona during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Paul Vernon)

Iona's Tajuan Agee watches from the bench in the final minutes of the second half against North Carolina during a first round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Friday, March 22, 2019. (AP Photo/Tony Dejak)

North Carolina's Seventh Woods, top, jumps over Iona's Payton Hudson during the second half of a first-round game in the NCAA men’s college basketball tournament in Columbus, Ohio, Friday, March 22, 2019. North Carolina won 88-73. (AP Photo/Tony Dejak)

North Carolina's Garrison Brooks (15) drives to the basket against Iona's Rickey McGill (0) during the second half of a first-round game in the NCAA men’s college basketball tournament in Columbus, Ohio, Friday, March 22, 2019. North Carolina won 88-73. (AP Photo/Paul Vernon)

Iona's Tajuan Agee (12) drives to the basket against North Carolina's Garrison Brooks (15) during the second half of a first-round game in the NCAA men’s college basketball tournament in Columbus, Ohio, Friday, March 22, 2019. North Carolina won 88-73. (AP Photo/Tony Dejak)

North Carolina's Luke Maye, right, loses control of the ball after colliding with Iona's Tajuan Agee during the second half of a first-round game in the NCAA men’s college basketball tournament in Columbus, Ohio, Friday, March 22, 2019. North Carolina won 88-73. (AP Photo/Paul Vernon)