When the 3-1 Baltimore Ravens take on the 1-3 Kansas City Chiefs at Arrowhead Stadium on Sunday, the Ravens will need to contend with an aggressive Chiefs secondary that ranks 13th in the league against the pass. Via Aaron Wilson of The Baltimore Sun:

When Ravens wide receivers Torrey Smith, Anquan Boldin and Jacoby Jones square off with Kansas City Chiefs cornerbacks Brandon Flowers and Stanford Routt on Sunday at Arrowhead Stadium, they'll be dealing with an aggressive brand of press coverage.

Flowers and Routt tend to crowd receivers at the line, attempting to get a strong jam to disrupt the timing of pass patterns and are confident in their ability to turn and run with fast receivers.

Routt and Flowers both have one interception on the season, and are joined in the defensive backfield by safeties Eric Berry and Kendrick Lewis. The Chiefs have shifted to a bump-and-run, man-to-man Cover 1 defense this season, which has provided some highlights, but also some issues for Kansas City.

The Chiefs have already allowed 926 passing yards, 10 touchdowns and a 65.1 completion percentage to opposing quarterbacks this season, and will face a Ravens offense on Sunday that ranks second in the league in total offense, fourth through the air. Joe Flacco has completed 63.5 percent of his throws this season for 1,269 yards, seven touchdowns and three interceptions, good for a 95.8 passer rating.