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With everybody giving chase, LSU wide receiver DJ Chark (7) runs the punt return back for a touchdown during the first half of LSU's home opener against Chattanooga Saturday Sept. 9, 2017, in Baton Rouge, La.

ADVOCATE STAFF PHOTO BY BILL FEIG

1. WHAT WE LEARNED

The old and the new of LSU’s defense was a sight to see. Sixth-year linebacker Corey Thompson kept up the pressure against Chattanooga on Saturday that he put on against BYU, starting the season with a pair of multi-sack games. Freshmen defensive backs Greedy Williams and Kary Vincent flashed their skills, both coming up with brilliant interceptions.

2. TRENDING NOW

Penalties, penalties, penalties. The Tigers committed 10 penalties in their opener against BYU. LSU had that many at halftime against Chattanooga. Penalties erased a DJ Chark punt return touchdown (he had another that counted) and almost gave the Mocs a field goal after they missed one at the halftime gun. Those mistakes will get you beat in the SEC.

3. FINAL THOUGHTS

BYU and Chattanooga combined didn’t have more talent than LSU. That’s not news. The Tigers made a breathtaking number of individual plays throughout the game, but a pile of self-inflicted wounds in the first half. The Tigers improved on their execution in the second half and quickly put the Mocs away. It’s a trend LSU needs to continue at Mississippi State.

Follow Scott Rabalais on Twitter, @RabalaisAdv.​