LUBBOCK, Texas – Devaugntah Williams scored a game-winning layup with 2.2 seconds remaining to lead Texas Tech to a 46-44 home win against Auburn on Wednesday night in the SEC/Big 12 Challenge.Tahj Shamsid-Deen’s half-court shot at the buzzer abnked off the rim as Auburn lost a heartbreaker on the road.Texas Tech’s Toddrick Gotcher (12 points) blocked a K.T. Harrell layup with 15 seconds remaining, and Williams gathered the ensuing loose ball. The Red Raiders called timeout before the final play with 10 seconds to go.The Red Raiders (5-1) played stronger on defense in the second half. They forced three turnovers and three missed Auburn shots over the first 3:22 after halftime before taking a 25-24 lead on a Zach Smith layup with 16:38 remaining.Justin Gray extended the Red Raiders’ lead with a steal and a dunk 13 seconds later, and Robert Turner added a jumper for a 29-24 Red Raiders lead with 15:52 left.The Red Raiders built a six-point lead, 36-30, with 8:34 remaining, but the Tigers (3-3) began chipping away. They evened the score at 37 with 4:53 left and took a 40-38 lead with 3:43 remaining on a 3-pointer by Jordon Granger.Norense Odiase (15 points) evened the score at 40 with 3:16 remaining, but Harrell (17 points) responded with a layup 30 seconds later for a 42-40 lead.Shamsid-Deen gave the Tigers a 44-42 lead with 52 seconds remaining, but Williams, who scored all four of his points within the final 41 seconds, evened the score at 44 on consecutive free throws with 41 seconds left. TIP-INS Auburn: Cinmeon Bowers has been a strong point this season for the Tigers but was limited against Texas Tech due to foul trouble. The junior entered Wednesday leading the SEC and ranked second nationally with an average of 13 rebounds per game. He had no points and one rebound after accumulating two first-half fouls in five minutes and finished with four points and eight rebounds.Texas Tech: Red Raiders coach Tubby Smith earned his 529th career win Sunday to take sole possession of 66th place among Division I coaches.He trails former Purdue coach Gene Keady, who won 531 career games, for 65th place. Smith ranks No. 18 among active coaches in wins. UP NEXT Auburn returns home to play Coastal Carolina on Friday.Texas Tech plays host to Fresno State on Wednesday.