Boston Celtics' Kemba Walker smiles with friends as he makes his way onto the Charlotte Hornets' court before an NBA basketball game between the Celtics and the Hornets in Charlotte, N.C., Thursday, Nov. 7, 2019. Walker formerly played for the Hornets. (AP Photo/Bob Leverone)

Boston Celtics' Kemba Walker, a former Charlotte Hornet, hugs old friends before an NBA basketball game between the teams in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)

Charlotte Hornets' Malik Monk (1) dribbles away from Boston Celtics' Kemba Walker, left and Grant Williams, right, during the first half of an NBA basketball game in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)

Charlotte Hornets coach James Borrego huddles with his team during a break in the first half of the team's NBA basketball game against the Boston Celtics in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)

Boston Celtics' Kemba Walker (8) shoots over Charlotte Hornets' Marvin Williams (2) during the first half of an NBA basketball game in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)

Boston Celtics' Gordon Hayward (20) dunks as Charlotte Hornets' P.J. Washington (25) and Miles Bridges (0) watch during the first half of an NBA basketball game in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)

Boston Celtics coach Brad Stevens makes a call from the bench during the first half of the team's NBA basketball game against the Charlotte Hornets in Charlotte, N.C., Thursday, Nov. 7, 2019. (AP Photo/Bob Leverone)