Adrian Peterson thought about changing his number for the 2012 season, but the move turned out to be too costly. The Vikings running back was thinking of changing from the No. 28 to No. 23 but it have would cost him $1 million to make the switch. "So here is the deal with the number change! So I received a call and I was informed that I would've to buy all jerseys that's been produced & Thus far! N the total amount that I would have to pay blew my mind!!!!!," he wrote on his Twitter page.