Brock lesnar been popped, so has jon jones and strangely Rousimar Palhares (The last pic has not been popped that I know of.

Harder and harder to get away with it.

I can tell you even just TRT helps A LOT! I was off from november to march. I am back on my 100 mg a week and I can tell you in sparring I perform much better even with that small dose. I think there is cheating but like I said it is getting harder and harder. Back in the day fighters were JACKED. now not nearly as much. They still are incredible specimens of humanity but that is due to an 8 wk camp training 2x a day and eating perfect diets prescribed by fighting dietitians.

Look at this. A tale of two weigh-ins: Vitor Belfort then and now | FOX Sports