Johnson, fired after the 2007-08 season, is in his first season with the Nets.

Jason Terry and Caron Butler added 15 points each, and J.J. Barea had a career-high 13 assists to help the Mavericks extend the NBA’s longest current winning streak.

Brook Lopez led New Jersey with 24 points, Anthony Morrow had 21, and former Maverick Kris Humphries finished with 16 points and 13 rebounds. The Nets have lost six straight and 11 in a row on the road.

New Jersey point guard Devin Harris sat out the final three quarters because of a sprained left shoulder. Harris, who played for the Mavericks from 2004-08, was injured when he tried to deflect an alley-oop pass and fell to the floor. He was scoreless in 9:22.

New Jersey also was without rookie forward Derrick Favors, sidelined by a bruised thigh.

Trail Blazers 97, Magic 83 — Andre Miller returned from a one-game suspension to score 22 points and host Portland won its third in a row following six consecutive losses.

Wesley Matthews had 20 points for the Blazers, who trailed by 14 points in the first half but led by 15 points in the second. Miller rejoined the team after an NBA-imposed suspension for “excessive and unnecessary contact’’ in Sunday’s game snapped Miller’s consecutive games streak at 632.

Dwight Howard had a season-high 39 points and 15 rebounds in the Magic’s third straight loss.