As LSU and Clemson prepare for the season-opening rematch, there will be elite matchups across the field and on the sidelines. On the sideline, it'll see Lane Kiffin looking to prove something and Dabo Swinney looking for revenge after last year's loss to LSU. But past that, here's the matchup that will be the most entertaining to watch. Chad Morris and Blake Baker Sep 20, 2025; Baton Rouge, Louisiana, USA; LSU Tigers defensive end Jack Pyburn (44) celebrates a sack with linebacker Whit Weeks (40) against the Southeastern Louisiana Lions during the first half at Tiger Stadium. Mandatory Credit: Stephen Lew-Imagn Images | Stephen Lew-Imagn Images Yes, an offense and its opposing defense will decide football games - it does in every game. But in LSU's Week 1 matchup, there's an intriguing coaching matchup, and it's not Kiffin and Swinney. Instead, it's their coordinators.…