After recently receiving his third concussion in 10 months, Denver Broncos wide receiver Wes Welker is in for some more bad news. On Tuesday, the NFL suspended Welker for four games due to violation of the league's banned substances policies.

Initially there was speculation on whether Welker tested positive for steroid use or if the positive test was due to recreational drug use. ESPN's Adam Schefter reported that the failed drug test was from amphetamine use, which is a far cry from the typical marijuana blunder. Mike Florio of Pro Football Talk further added that Welker allegedly 'popped a molly' at the Kentucky Derby.

Welker has been quick to defend himself from the allegations, as he stated in his email to The Denver Post. "I'm as shocked as everyone at today's news. I want to make one thing abundantly clear: I would NEVER knowingly take a substance to gain a competitive advantage in any way. I have never been concerned with the league's performance enhancing or drug abuse policies because under no scenario would they ever apply to me, but I now know, that (drug-policy procedures) are clearly flawed, and I will do everything in my power to ensure they are corrected, so other individuals and teams aren't negatively affected so rashly like this."

It's unclear what Welker is pointing too in his defense. If the allegation of testing positive for amphetamines is indeed true, it's hard to argue how that particular substance magically appeared in his blood.

Although Tom Brady and Wes Welker are no longer teammates with the New England Patriots, their friends ship still remains. Brady was in attendance with Welker at the Kentucky Derby and was asked at a press conference if he had any thoughts on the allegations. "That's Wes' situation and their team. Obviously, I got plenty to worry about with this week and this team. As a friend, you always hope the best, but it's not friend time, this is opponent time."

Brady was then asked if he had seen Welker take the alleged substance. "I got no comment on that," he said, laughing.