Philadelphia Eagles' Ryan Mathews scores a touchdown during the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Sam Bradford looks to pass during the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Michael Perez)

Baltimore Ravens' Joe Flacco, left, looks to pass during the first half of a preseason NFL football game against the Philadelphia Eagles, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' DeMarco Murray drops the ball after scoring a touchdown during the first half of a preseason NFL football game against the Baltimore Ravens, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Jeff Maehl (88) collides with Baltimore Ravens' Rashaan Melvin after a catch during the first half of a preseason NFL football game, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Seyi Ajirotutu (16) cannot catch a pass as Baltimore Ravens' Kyle Arrington (24) defends during the first half of a preseason NFL football game, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Kenjon Barner (34) returns a punt by Baltimore Ravens' Sam Koch (4) for a touchdown during the first half of a preseason NFL football game, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Kenjon Barner (34) reacts after returning a punt by Baltimore Ravens' Sam Koch (4) for a touchdown during the first half of a preseason NFL football game, Saturday, Aug. 22, 2015, in Philadelphia. (AP Photo/Matt Rourke)