Would Roy Williams Be A Successful LB?

[Redskin Warrior]

First and foremost this is not a suggestion to place Roy Williams with Marcus Washington in the starting lineup. Obviously, Roy is a liability in coverage killing his chances to be a starting safety. I have been debating if he could be a successful linebacker in the NFL. I thought if he bulks up he would have a better chance, but then again Dungy's "Tampa 2 D" allowed a lot of unsized, quicker and agile player succeed. I'm not sure if he would tho