One of the Philadelphia Eagles' most important training camp battles might not be for a starting job, but for the player who steps in if future Hall of Fame tackle Lane Johnson cannot. Entering his 14th NFL season, there is no doubt that Johnson is still one of the best tackles in the NFL. With the departure of offensive line coach Jeff Stoutland, who was his coach for the entirety of Johnson's career, rumors of Johnson's retirement floated in news circles, but ultimately the five-time All-Pro decided to return for another season.