LSU takes on USC Sunday night as the primetime matchup for Labor Day Weekend as two Top 25 teams tangle in Las Vegas. Kickoff is scheduled for 7:44 p.m. CT on ABC. Brian Kelly’s Tigers are coming off two 10-win seasons to lead off his tenure and now, the next step is winning the program’s first season opener since 2019. No. 13 LSU is facing No. 23 USC, who has plenty of new faces in the fold. “I think you have to keep in mind there are a number of players on this team that have experienced two openers where they weren’t successful, including myself,” Kelly told reporters Thursday before the te…