LAS VEGAS, July 18 - The Chicago Bulls rallied from a 10-point deficit with a 19-3 run in the final 4:42 to claim a 90-84 come-from-behind victory over the New York Knicks Saturday afternoon at the 2009 NBA Summer League presented by EA SPORTS from the COX Pavilion.

The Knicks built an 81-71 lead five minutes into the fourth quarter, but watched as the Bulls offense came to life. Chicago got seven points from both DeMarcus Nelson and Brandon Costner in the final quarter to aid the rally. A three by Costner with one minute remaining gave Chicago the lead for good at 86-83.

Costner was the gameís top scorer with 21 points off 7-of-11 shooting. Nine of his 21 points came consecutively at the end of the first quarter to help Chicago take its first lead of the game.

The Knicks began the game with the hot hand, as they pushed out to two nine-point leads, the last of which came at the 13-4 juncture with 4:43 remaining on the clock. After scoring only four points in the first five minutes, the Bulls turned things around with a 17-5 run to close out the quarter. Costner keyed Chicagoís turnaround with his nine-point run that included a three with 26.3 seconds remaining in the frame to give Chicago the lead at 21-18.

In the second quarter, the squads went back and forth trading the lead on three occasions and tying the game up five times. New York took the lead for the last time with 2:35 left before intermission. Jordan Hill pulled the Knicks even with a jumper and put them ahead with a free throw.

New York maintained its lead through the third and even extended it to seven points on three occasions. They ended the quarter up seven at 67-60.

Besides Costnerís effort, the Bulls got double-digit efforts from three other players. James Johnson connected for 20, while Nelson had 15 to Anthony Robersonís 12.

New York had five players reach double figures in defeat. Morris Almond and Hill tied for the team lead with 16 apiece. Nikoloz Tskitishvili followed closely behind with 14. Ron Howard and Joe Crawford rounded out the quintet with 11 and 10 points, respectively.