Johnson scores career-high 20 in Louisville's 76-64 victory

Louisville's Dre Davis (14) shoots against Boston College's Steffon Mitchell (41) during the first half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)

Louisville's Samuell Williamson (10) drives past Boston College's Steffon Mitchell (41) during the first half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)

Boston College's Makai Ashton-Langford (4) and Jay Heath (5) battle Louisville's Samuell Williamson (10) for a rebound during the first half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)

Louisville's Carlik Jones (1) drives past Boston College's Makai Ashton-Langford (4) during the first half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)

Boston College's Demarr Langford Jr. (15) defends against Louisville's David Johnson (13) during the first half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)

Boston College's Demarr Langford Jr. (15) drives past Louisville's Samuell Williamson (10) during the second half of an NCAA college basketball game, Saturday, Jan. 2, 2021, in Boston. (AP Photo/Michael Dwyer)