LOS ANGELES — Kobe Bryant scored 28 points, Andrew Bynum had 18 points and 13 rebounds, and the Los Angeles Lakers defeated the Dallas Mavericks 110-82 in a testy affair in which four players were ejected Thursday night.

Early in the fourth quarter, the Lakers’ Matt Barnes and the Mavericks’ Jason Terry and Brendan Haywood were thrown out following an altercation under the basket. Los Angeles’ Shannon Brown was later ejected in a separate incident.

Also on Thursday:

Celtics 107

Spurs 97

SAN ANTONIO — Rajon Rondo had 22 points and 14 assists, center Jermaine O’Neal returned from knee surgery, and Boston ended a miserable March by not slipping further from first in the East, beating slumping San Antonio.