DALLAS (AP) — Taj Gibson didn't worry when Chicago fell behind Dallas early, and he wasn't concerned when the Mavericks made a late run for the lead.
The Bulls had answers both times.
Gibson scored 20 points and grabbed 15 rebounds, Mike Dunleavy hit a go-ahead 3-pointer and Chicago overtook the Mavericks in the fourth quarter of a 100-91 victory Friday night.
"We're used to this," Gibson said after the Bulls (32-26) won for the eighth time in nine games, moved a season-high six over .500 and answered a 22-point home loss to Dallas in December. "We get knocked down and we keep coming back."
The Mavericks led by 16 in the first half and had erased a six-point Chicago edge with a 7-0 run punctuated by Monta Ellis' second steal and breakaway dunk of the night when Dunleavy put the Bulls back in front and started a 10-0 run with a 3-pointer for an 87-85 lead.
Jimmy Butler had 19 points, seven rebounds and a big block during the decisive spurt, and Kirk Hinrich scored 17. Dunleavy finished with 16 points and eight rebounds, shooting 4 of 7 from long range.
Ellis scored 20 to the lead the Mavericks, who were trying to match their season high with a fifth straight win.
Dirk Nowitzki and Vince Carter had 15 apiece, but Carter scored just one point in the second half and was held to 0-of-6 shooting in the fourth quarter, when the Mavericks went 6 for 25 from the field.
"Some nights teams miss shots and you have to hang in with grit, guts, defense and rebounding," Dallas coach Rick Carlisle said. "Weird thing about it was we were in front most of the first half and we let them climb back into it with grit, guts and rebounding."
Gibson, who had 16 points in the first half, followed Dunleavy's go-ahead 3 with a dunk on an assist from Joakim Noah, who then blocked a shot by Sam Dalembert on the other end right after committing his fifth foul.