LOL. Excuses?
Rashad Evans is a light heavyweight. Whether or not he can cut to middleweight without issue has yet to be seen, but Anderson Silva? We know he can handle fighting at light heavyweight. Anderson's the person struggling to find an opponent and not because of contract disputes, fighting in a different promotion, or even being feared, but because wastes his time in a division with so little talent and doesn't want its number one contender.
Yeah you know because there are so many examples of fighters with unsuccessful cuts:
zzz...
As opposed to the fighters comparable who moved down successfully:
Belfort, Wand, Bisping, Maia, Randy, Marquart, Alcantara, Boetsch, TJ Grant, Lentz, Nate Diaz, Kampmann, Siver, Munoz, Larkin, Oliveira, Ronny Markes, Vemola, Joey Beltran, Roger Gracie, Vera, Pyle, Stann, Benavidez, Mighty Mouse, Uncle Creepy, ...