LOL...what do you mean "IF"?
The drug tests in the NFL are very strict unlike the MLB only few of them juice, they have NATURAL ABILITY. Just because someone is good doesn't mean they juice.
yep thick joint structures too. A lot of them are also too tall
freaky maybe, but not asthetic
,
Running backs are usually shorter for football players. 5'10 - 6'1 average. If they trained like bodybuilders, they would have the best physiques for football players.