Patrick Ryan Kerrigan is an American football coach and former player who is the assistant linebackers and pass rush specialist coach for the Washington Commanders of the National Football League (NFL). He played college football for the Purdue Boilermakers, earning unanimous All-American honors as a senior before being selected by Washington in the first round of the 2011 NFL draft.

The Purdue Boilermakers football team represents Purdue University in the NCAA Football Bowl Subdivision (FBS) of college football. Purdue plays its home games at Ross–Ade Stadium on the campus of Purdue University in West Lafayette, Indiana. The head coach of Purdue is Ryan Walters, the 37th head coach in Purdue history. The Boilermakers compete in the Big Ten Conference as a member of the West Division. Purdue had most recently been a part of the Leaders Division of the Big Ten, but moved to the West Division in 2014 due to conference expansion.