This is the big question facing SMU's defense next season

Adam Grosbard, SMU beat writer for SportsDayDFW.com and The Dallas Morning News, answered questions about the Mustangs and the American Athletic Conference during a live chat recently. Here are some of the highlights.

Question: Will SMU's defense be good enough to back up Rhett Lashlee's potentially high-powered offense?

Grosbard: That's the big question. SMU figures to have better and/or more experienced personnel in the back seven than a year ago. A healthy Jordan Wyatt leading the secondary next to A&M linebacker transfer Richard Moore makes for a better talent pool there. But there are holes to fill at defensive line after losing Justin Lawler and Mason Gentry, two of SMU's three best…