Dallas Mavericks forward P.J. Washington (25) slam dunks during the second half of an NBA basketball game against the Los Angeles Clippers in Dallas.

Dallas Mavericks guard Kyrie Irving (11) drives against Los Angeles Clippers center Ivica Zubac (40) during the second half of an NBA basketball game in Dallas.

Dallas Mavericks center Dereck Lively II (2) hangs from the rim after slam-dunking against Los Angeles Clippers guard Norman Powell, right, during the second half of an NBA basketball game in Dallas.

Dallas Mavericks guard Kyrie Irving (11) drives against Los Angeles Clippers guard Kris Dunn (8) during the first half of an NBA basketball game in Dallas.

Los Angeles Clippers guard Norman Powell (24) shoots against Dallas Mavericks guard Spencer Dinwiddie (26) during the first half of an NBA basketball game in Dallas.

Los Angeles Clippers guard Norman Powell (24) tries to score against Dallas Mavericks defenders Daniel Gafford (21) and Naji Marshall (13) during the first quarter of an NBA basketball game in Dallas.

Los Angeles Clippers guard Kevin Porter Jr. (77) dribbles against Dallas Mavericks guard Quentin Grimes (5) during the first period of an NBA basketball game in Dallas.

Los Angeles Clippers center Ivica Zubac (40) reaches for the ball against Dallas Mavericks center Dereck Lively II (2) and guard Klay Thompson (31) during the first period of an NBA basketball game in Dallas.

Los Angeles Clippers guard James Harden (1) drives against Dallas Mavericks guard Kyrie Irving (11) during the first period of an NBA basketball game in Dallas.

Los Angeles Clippers guard Norman Powell (24) drives against Dallas Mavericks guard Spencer Dinwiddie (26) during the first period of an NBA basketball game in Dallas.