Raiders will be able to go on major spending spree in the offseason

As the Raiders try to figure out whether Matt McGloin or Terrelle Pryor (or neither) will be the team’s quarterback of the future, the Raiders will have in the not-too-distant future the ability to go out and buy one. Per a league source, the Raiders currently have only $57 million in 2014 salary-cap commitments.  Assuming…