I'll admit, I heard it from these boards and nowhere else explicitly, but hell if it just doesn't sound right.
The Marvel Directory says he can press 85 tons. It's reliable as far as it goes, but its information hasn't been updated in years. Nevertheless, that strength outclasses Sabretooth. Coupled with Ben's skill and surprising speed (he's a very experienced fighter), this is an interesting fight.
A spar forum is a forum where two posters take charge of one character and basically go at it. It's like an RPG, but the only objective is to kill the other dude.