INDIANAPOLIS -- Auburn's will throw at the NFL this week because NFL clubs have expre sed an interest in him as an emergency option as a pa ser.The former star quarterback, who Drew Lock Jersey led the Tigers to a national championship appearance against Florida State two years ago, Duane Brown Jersey became convinced after the season that his best hope of an NFL career would be as a defensive back. He practiced at cornerback last month at the , but was invited to the combine as Brandon Shell Jersey a quarterback. Marshall's agent, Tommy Sims, confirmed to College Football 24/7 on Thursday that Marshall would both throw and perform defensive back drills for clubs at Lucas Oil Stadium.Marshall (6-foot-1, 208 pounds) has the size NFL clubs are looking for at Charles Cross Jersey the position, and according to NFL Media analyst Mike Mayock, his 40-yard dash time at the combine will go a long way with NFL scouts in determining how well he projects at the position. Tyler Lockett Jersey As for playing emergency quarterback, clubs could be interested in Marshall as a practice-squad option.*Follow Chase Goodbread on Twitter *.