He played college football for the TCU Horned Frogs, and was selected by the Cardinals in the second round of the 2010 NFL draft.

In May 2014, he was suspended indefinitely by the league for violating its substance abuse policies and was not reinstated until April 2017, where he was released by the Cardinals shortly after.

Washington attended Texas Christian University, where he played for the TCU Horned Frogs football team from 2006 to 2009.

Although still primarily a back-up and special teams player, Washington was TCU's fourth-leading tackler with 63 stops in 2008.

He started the 2008 Poinsettia Bowl and posted six tackles and three pass breakups in TCU's victory over Boise State.

[11] On April 3, 2013, the NFL announced that Washington would be suspended for the first four games of the 2013 season for violating the league's substance policy.