Tom Powers: Adrian Peterson's frustration comes through loud, if not clear

Vikings running back Adrian Peterson paces on the sidelines after being stopped on a third and short play in Dallas in November 2013. The Vikings lost 27-23. (Pioneer Press: Ben Garvin)Maybe he became frustrated while trying to get the camel dribble off of his Aladdin costume. Or perhaps agent Ben Dogra didn't show up with the afternoon Skittles. For whatever reason, Adrian Peterson went on a Twitter rampage Thursday.

It's clear he is becoming increasingly agitated by his standoff with the Vikings.

Hashtag: abouttoexplode

Peterson went off a couple of times on the unfairness of non-guaranteed contracts. Well, I say a couple of times, but really he only went off once. Somebody else came by…