Rams sign DE Robert Quinn to 4-year contract extension

Minnesota Vikings quarterback Matt Cassel (16) is hit by St. Louis Rams defensive end Robert Quinn while throwing an incomplete pass during the first quarter an NFL football game Sunday, Sept. 7, 2014, in St. Louis. (AP Photo/L.G. Patterson) (The Associated Press)

Minnesota Vikings running back Adrian Peterson, right, gets a block from offensive tackle Matt Kalil as St. Louis Rams defensive end Robert Quinn, left, gives chase during the third quarter an NFL football game Sunday, Sept. 7, 2014, in St. Louis. (AP Photo/L.G. Patterson) (The Associated Press)

The St. Louis Rams have signed defensive end Robert Quinn, who led the NFC with a franchise-record 19 sacks last season, to a four-year contract extension through the 2019 season.

The 24-year-old Quinn bested the team record of 17 by Kevin Carter in the 1999 Super Bowl championship season. He also forced seven fumbles and recovered two fumbles, returning one of them for his first career touchdown.

In the past three seasons, Quinn has 29½ sacks, second most in the NFL behind J.J. Watt's 32. He was the 14th overall pick in 2011.

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