The odds that newly-acquired Not Great, Bob!"

And then there's

As it stands, of the 13 quarterback seasons with at least one drop back on the Eagles' roster, only two have been above average in terms of Passing NEP per drop back. One of those years was Tebow's 82-attempt rookie season (this surprised me too), as well as Sanchez's campaign a season ago.

For some optimism, Eagles fans: Relatively speaking, Sanchez was a baller last year per drop back. Considering how far below average he had played up until that point, you should feel at least a little confident that Chip Kelly will make any starting quarterback into a competent one.