Trail Blazers 102, Bulls 94: Wesley Matthews and Nicolas Batum scored 21 points apiece while LaMarcus Aldridge added 18 and 13 rebounds as host Portland extended its winning streak to three games.
Damian Lillard contributed 16 points and J.J. Hickson and Ronnie Price each chipped in 10 for the Trail Blazers, who have won five straight home meetings with the Bulls.
Nate Robinson scored a team-high 18 points off the bench and Joakim Noah recorded 16 points and 15 boards for Chicago, which fell to 1-2 on its season high-tying five-game road trip.
Portland led by 15 with 8:29 remaining in the third quarter as Lillard buried a 3-pointer. The Bulls cut the deficit to five by the end of the period and forged a 73-73 tie with 10:50 left in the fourth on a three-point play by Taj Gibson.
The Trail Blazers used a 14-2 run to put away the game, with Matthews capping the burst on a pull-up jumper with 5:04 to play. Matthews and Price had five points apiece during the spurt.
GAME NOTEBOOK: Lillard scored on a dunk with 1.9 seconds remaining in the game, earning some choice words from several members of the Bulls. ... Noah fell two assists shy of a triple-double. ... Chicago has allowed over 100 points in each of its last four games. ... Batum was 5-of-10 from 3-point range after hitting 5 of 8 shots from beyond the arc against Houston on Friday. ... Chicago has dropped nine of its last 11 visits to the Rose Garden.