John Harbaugh: 'Baltimore Ravens will have top five defense'

John Harbaugh has revealed that he expects the Baltimore Ravens to have one of the best defenses in the league for the 2014 NFL season.

The AFC North side have just two defensive players that won the Super Bowl two years ago left on their roster, and set a new franchise record for most points conceded in the fourth quarter in 2013.

However, the head coach told ESPN: "The expectation for our defense is to be top five, at the worst. It has always been that way and always will be."

The Ravens were unable to defend their Super Bowl title in 2013, missing out on a place in the playoffs.