???
If you are saying that they do so much more endurance than anyone else- like they used to when we played at tempo? Maybe you'd have an argument, but are we still doing that?
When you want bulk, do you want football players, or body builders? You can add bulk with a lot of 1 rep max's- but how many kids do you want to injure in the weight room? (2 or 3 reps max, with deloading at injury prone spots in the lift is MUCH safer- why E does it. Also teaches fast twitch, and application of strength)
You can make em all a little fatter, but are you forgetting that these are young men, having a college experience like any other young man? Maybe, just MAYBE, there are certain someones that they really want to look good for? (Happens all the time)
What would the suggestions be to bulk em up? Can't do 'roids. Maybe skipping conditioning would add some bulk, for some. Most of 'em are as jacked as their bodies will take.