Based on what metric? His likely score of about 60 on the Stanford-Binet test???
The guy is long and athletic.
But as a football player, mentally, he's somewhere between useless and cancerous
i question whether he has the IQ to handle the mental aspects of a switch to LB.
also, how a LB plays in space is very different than how a FS plays in space. and those differences don't necessarily match with what he can (and can't) do.