Stafford’s new deal was driven by his first deal

Reaction to the contract to be signed (if it hasn’t already been) by Lions quarterback Matthew Stafford has been mixed.  Initially characterized as a “blockbuster,” the truth is that it’s worth far less than the $20 million-per-year contracts signed in 2012 by Drew Brees and earlier this year by Joe Flacco. Some view the five-year,…