Cowboys, Redskins say they complied with salary cap in 2010

As the saying goes, salary cap shenanigans make for strange bedfellows.  Or something. Arch rivals on the field, the Cowboys and Redskins find themselves facing the loss of millions in salary cap space ($10 million for Dallas, $36 million for Washington) for allegedly treating the “uncapped year” of 2010 too literally.  In statements issued only…