Isaac is a tough customer very rugged and is not afraid to take 2 to land 1, the only bad thing is how much more can he go on taking that many punches per fight and he lacks power.
Holt hasnt fought in a year and I havent seen any reports on his training so not even sure of where he stands right now.
Plus they are both moving up to 147 not sure how thats gonna work out for the both Isaac with the little power will have to make up for it some other way maybe working at a faster rate cause most guys at 147 pack a punch.....