Boston College's Ky Bowman shoots against North Carolina's Kenny Williams (24) during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Steffon Mitchell (41) grabs a rebound against North Carolina's Nassir Little (5) during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Chris Herren Jr. (4) drives past North Carolina's Andrew Platek (3) during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Chris Herren Jr. (4) shoots against North Carolina's Cameron Johnson (13) during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Nassir Little (5) and Seventh Woods, left, defend against Boston College's Ky Bowman, center, during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Nik Popovic (21) and Luka Kraljevic (13) defend against North Carolina's Luke Maye (32) during the first half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Chris Herren Jr. (4) blocks a shot by North Carolina's Coby White (2) during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Andrew Platek (3) shoots against Boston College's Chris Herren Jr. (4) during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Cameron Johnson (13) drives past Boston College's Steffon Mitchell, right, during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Chris Herren Jr. (4) blocks a shot by North Carolina's K.J. Smith during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Kenny Williams (24) shoots against Boston College's Nik Popovic (21) during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Garrison Brooks dunks during the second half of an NCAA college basketball game against Boston College in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

Boston College's Steffon Mitchell (41) and North Carolina's Garrison Brooks (15) battle for a rebound during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Luke Maye (32) misses a dunk during the first half of an NCAA college basketball game against Boston College in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Nassir Little (5) drives to the basket against Boston College's Johncarlos Reyes (12) during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Coby White (2) shoots against Boston College's Ky Bowman (0) during the second half of an NCAA college basketball game in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)

North Carolina's Andrew Platek (3) and Garrison Brooks (15) react on the bench during the first half of an NCAA college basketball game against Boston College in Boston, Tuesday, March 5, 2019. (AP Photo/Michael Dwyer)