Nix threw for 233 yards and three second-half touchdowns, including a pair to Williams, and No. 8 Auburn scored twice in the fourth quarter to pull away from No. 23 Kentucky for a 29-13 victory Saturday in the season opener. “Bo made a couple of really good throws for touchdowns,” Auburn coach Gus Malzahn said. Auburn: Has to get better on third-down defense, giving up eight first downs on 10 Wildcats attempts in the first half.