Lardarius Webb has gone from being a Ravens star to playing for his Ravens career. That's what happens when two ACL tears and a back injury sap your speed. Webb went from being a top 20 corner in 2013 to being a mediocre corner in a 2014 season that was marred by injuries.
The Ravens don't need to have Lardarius Webb on the field to succeed. Young up-and-coming stars like Jimmy Smith, Will Hill, and Kendrick Lewis are all more essential for the Ravens to have a successful pass defense.