As news of Roy Nelson being pulled from UFC 125 hits, Versus.com learns that a Featherweight Championship fight may be scheduled in its place between titleholder, Jose Aldo and contender, Josh Grispi. Grispi is undefeated in his WEC career with notable wins against Mark Hominick and Jens Pulver. The proposed bout between the two Featherweights would mark the first ever 145 pound challenge inside the UFC Octagon. Nelson’s fight was pulled from the card when Shane Carwin had to back out of their tilt due to a back injury. UFC 125 will be headlined by Frankie Edgar Vs. Gray Maynard in a Lightweight Championship bout.