DALLAS — LSU’s Harold Perkins Jr. has seen his usage debated for two seasons now. What is the freaky junior’s best position? Is it outside linebacker? Is it as a pure edge rusher? What about the MIKE? Since 2022, the former 5-star recruit has flashed electric talent with the Tigers, but he’s also spawned varied opinions with the way former LSU defensive coordinator Matt House deployed him. So it’s a complicated question, but it’s one the Tigers must figure out or else they risk wasting a potential menacing talent. If they don’t, they’re likely to continue sputtering defensively in a pivotal Ye…