Hundreds of hopeful football players will descend upon Indianapolis this week for the NFL Combine. For some, a solid combine can be the difference between being drafted or being unwanted.

Notre Dame wide receiver Michael Floyd needs to address character concerns. Clemson tight end Dwayne Allen (pictured left) must prove that he can block as well as he can run routes. Both players want to validate their high draft stock.

Click here to see which offensive prospects have the most to prove at the NFL Combine? It comes to you from Russ Lande of the Sporting News.