With Brian Urlacher deciding this week to join Ray Lewis in retirement the NFL has seen two of its greatest middle linebackers leave the game. Urlacher was an eight-time Pro Bowl selection and won a Defensive Player of the Year award. Lewis was named to 13 Pro Bowls, won two Defensive Player of the Year awards and was a Super Bowl MVP. They join a long list of great players who have manned the MLB position. So which one do you...