Because that's what GSP did and nobody wants to be compared to a greasy French Canadian
Coming in clutch for dumbest thread of the year.
Always wondered what would happen if you put MVP in Dagestan for 2 years when he was younger. You'd expect him to come out impossible to takedown. His wrestling has improved since he started, and he's probably been drilling it since doing MMA. But it just never seemed to get to the level to stop elite guys like Lawlers TDD did.

+1Coming in clutch for dumbest thread of the year.
Why don't UFC fighters drill wrestling?