Johnson had a greater WPA (2.70) than any wide receiver this season (no surprise), but that is nearly half of what most quarterbacks get, and the MVP is generally a QB award.
He hasn't played a full season since he was voted his third AL MVP award in 2007, he's out for at least the first half of this year following hip surgery on Jan. 16 and now he's been accused of again receiving performance-enhancing drugs an allegation he denies.
Although the ad has already run for a month and a half, with the Packers currently undefeated through nine games and Aaron Rodgers a strong candidate for MVP, State Farm might get more mileage yet out of the ad.