Hard to tell since many of the photos are him alone. The first photo he looks jacked, like he could be The Thing in the Fantastic Four. The other photos look like he's decently sized and ripped from hard work in the gym and on the field. There is not really a good example of him compared next to someone like Ronnie Coleman size.
Given that he's a football player, I'm going to say he's definitely doing something due to the nature of the sport today.
I'm going to guess the friend you speak of, is a sophomore in college and not high school? If it's the latter, he CERTAINLY SHOULD NOT take anything for reasons too numerous to list. And it's the former, it's up to him, but I would try to lead him away from using as a means to get huge. Tell him it's possible that Hancock looks huge, but compared next to someone else he might be tiny. Remember Chick's saying: "It's not how much you lift, it's how much you look like you lift!"
