RICHMOND, Va. -- Linebacker Ryan Kerrigan has agreed to a multi-year contract extension with the Washington Redskins on the eve of training camp.

FOX Sports 1 NFL Insider Mike Garafolo reported that the deal is for five years and worth $57.5 million with $16 million guaranteed.

The team announced the deal Wednesday, a day before the first practice of camp.

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Kerrigan, a first-round draft pick out of Purdue in 2011, has started all 64 games in his four-year career with Washington, totaling 38 sacks, 15 forced fumbles and two interceptions -- both returned for touchdowns.

The 6-foot-4, 260-pound Kerrigan ranked second in the NFC last season with a career-high 13.5 sacks for the Redskins, who went 4-12 and finished last in their division for the sixth time in seven years.