Watch: Sammy Watkins sits on rear for hilarious receiving drill

You've probably seen clips of second-year wide receiver phenom Odell Beckham Jr. practicing one-handed grabs before games.

Well, here we have video courtesy of ABC-Buffalo's Bills beat reporter Joe Buscaglia showing Bills second-year standout Sammy Watkins practicing ... something.

We're not sure who's throwing the footballs or what exactly is happening. Watkins is nursing a calf injury and will not be 100-percent for Sunday's game against the Bengals, so perhaps this seated-positon exercise is a way to work on overhead catches without testing that leg.

In any event, it's not going so well.

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