EVANSTON—Josh Crittle’s go-ahead basket with 53 seconds remaining helped UIC to a 50-44 upset of Northwestern on Saturday.Crittle finished with a team-high 13 points, and Gary Talton’s two free throws with 29 seconds left sealed the win for the Flames (6-1).The Wildcats committed 16 turnovers and were just 10 of 20 from the free-throw line. Alex Olah missed two free throws with 3:16 remaining, and on the Flames’ ensuing possession, Marc Brown converted an easy layup to give UIC a 44-42 lead. The Flames never trailed again.Joey Miller’s jumper tied the game at 35 with 10:23 left, erasing UIC’s five-point second-half deficit. Two minutes later, Brown’s three-point play gave the Flames a 38-35 lead.NU was fortunate to be leading at the half, 26-25, thanks to 29 percent first-half shooting by the Flames.Drew Crawford scored a game-high 18 points for the Wildcats (6-2).