Raiders face a key deadline in Wimbley deal

As the Raiders try to reduce dramatically cap a commitment that currently exceeds $145 million, the cross hairs initially have landed on linebacker Kamerion Wimbley. He’s due to receive a base salary of $11 million in 2012, $11 million in 2013, $10 million in 2014, and $11.5 million in 2015. But here’s the bigger problem,…