Ryan Kerrigan is an Assistant linebackers coach and former NFL defensive end and outside linebacker for the Washington Commanders Franchise. Kerrigan played his college football at Purdue University before being drafted in the 1st round of the 2011 NFL Draft by the Washington NFL Franchise. While a member of the Boilermakers, Purdue was a consensus All-American. He played the majority of his career as an outside linebacker in the 3–4 defense, where he is the all-time NFL leader in consecutive starts by a left outside linebacker.