CHICAGO — Mitchell Trubisky threw three touchdown passes and ran for a score in the Bears’ 31-24 victory over Dak Prescott and the slumping Cowboys on Thursday night.In a matchup between disappointing teams that made the playoffs last season, the Bears (7-6) came away with their fourth win in five games. The Cowboys (6-7) have lost seven of 10 since a 3-0 start.Trubisky shook off an early interception near the goal line to complete 23 of 31 passes for 244 yards. He matched a season high for touchdown passes and scored on a 23-yard run early in the fourth quarter, making it 31-14.Allen Robinson caught two TD passes, and Anthony Miller had one as Chicago tied a season scoring high. Linebacker Khalil Mack had a sack. Linebacker Roquan Smith left the game with a pectoral injury on the opening drive. But the Bears took out the NFC East leaders after beating the struggling Lions twice and the Giants in recent weeks.Facing a top 10 defense for the third week in a row, the Cowboys once again couldn’t get their high-powered offense going.NFL passing leader Prescott was 27 of 49 for 334 yards and a touchdown. Ezekiel Elliott ran for 81 yards — his fifth straight game under 100 — and two scores.Michael Gallup had 109 yards receiving. Amari Cooper caught six passes for 83 yards and a touchdown, but the Cowboys lost their third straight. They lead Philadelphia by a half-game in the division.Kept out of the end zone in a 13-9 loss at New England two weeks ago and then held to two touchdowns in falling 26-15 to Buffalo on Thanksgiving, the Cowboys went 75 yards for a score on the game’s opening possession. Elliott lunged in from the 2 to cap a 17-play drive.Dallas’ Jourdan Lewis then intercepted Trubisky’s pass with a neat play near the left pylon, dragging his left foot. He was initially ruled out, but the call was overturned by a replay review.But it was all Bears after that.Chicago tied it early in the second quarter when Trubisky hit Robinson with a 5-yard pass and took a 10-7 lead on a 36-yard field goal by former Gator Eddy Piñeiro. Dallas’ Brett Maher then missed a 42-yarder wide right. Chicago added to the lead in the closing seconds of the half with Trubisky’s 8-yard pass to Robinson, and Miller’s 14-yarder on a screen in the third made it 24-7. INJURIES Cowboys: WR Cedric Wilson jammed his left leg trying to catch a long pass in the closing minute. ... LB Leighton Vander Esch (neck), NT Antwaun Woods (knee) and S Jeff Heath (shoulder) were inactive.Bears: WR Javon Wims (knee) walked off gingerly in the closing seconds of the first half after an awkward landing as he tried to make a leaping catch in the end zone. ... CB Prince Amukamara (hamstring) was inactive after being listed as doubtful. ... WR Taylor Gabriel (concussion), TE Ben Braunecker (concussion) and RT Bobby Massie (ankle) all missed their second straight game. UP NEXT Cowboys: Host Los Angeles Rams on Dec. 15.Bears: At Green Bay on Dec. 15.