Football Outsiders has issued their annual almanac and is discusses what a unique season Cam Newton had as a season MVP.
Since 1989, the first year in the DVOA database, the only players to be named NFL Most Valuable Player have been quarterbacks and running backs. None of them ever had a worse DVOA rating than Cam Newton did in 2015. In fact, none of them are even close (Table 1).
Here's the table reference, but before you think this is about to be another slam piece on Cam, just wait.