I had never heard of "Megatron Juice" before Monday night, but Jon Gruden got a hold of some to drink in the announcing booth before the Lions-Bears game started. Visual proof of this bizarre segment comes from Instant Replay:
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According to Ross Tucker, "Megatron Juice" is actually Pedialyte, which prevents dehydration and cramps. For Calvin Johnson, it also apparently helps achieve two-touchdown games, because he has four straight to start the 2011 season.