Speculation about Favre's return has driven up prices for Vikings home games almost 20%. While 20% is a meaningful increase, it's a blip compared to last year, when prices jumped almost 100% on his un-retirement.
With 25 cracks at 600 over the next six games, and a 14.4 career AB/HR average, the ticket market is betting that A-Rod will reach 600 on Saturday against the Royals.