BJ Penn is pretty much the only fighter under HW in the UFC who doesn't cut any weight what so ever and he has actually put on some weight from when he fought at 155. When BJ originally fought at 155 he was under 155lbs as well.
"If you get hit and it hurts hit him back you not knocked out yet."-Joe Doerksen
The Toxic Terrors (FFL)
Demetrious Johnson*Eduardo Dantas*Rafael Silva*Zach Makovsky*Michael Page