Philadelphia Eagles' Jeremy Maclin runs a catch during the first half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Riley Cooper (14) is tackled by Pittsburgh Steelers' William Gay (22) during the first half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Pittsburgh Steelers head coach Mike Tomlin walks out of the visitors tunnel before an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles quarterback Nick Foles passes during the first half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles quarterback Nick Foles, right, passes during the first half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Ben Roethlisberger passes during the first half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' LeSean McCoy (25) celebrates with teammate Jordan Matthews (81) after scoring a touchdown during the first half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' LeSean McCoy (35) scores a touchdown past Pittsburgh Steelers' Cortez Allen (28) during the first half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Pittsburgh Steelers' Markus Wheaton (11) cannot catch a pass as Philadelphia Eagles' Bradley Fletcher (24) hangs on during the first half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' LeGarrette Blount rushes during the first half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

In this image made with a slow shutter speed, Pittsburgh Steelers' Ben Roethlisberger rushes during the second half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' David Fluellen rushes during the second half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Earl Wolff (28) breaks up a pass for Pittsburgh Steelers' Martavis Bryant (10) during the second half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Heath Miller, left, pulls in a touchdown pass against Philadelphia Eagles' Chris Maragos during the second half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Mark Sanchez looks to pass during the second half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Heath Miller, left, celebrates with Justin Brown after Miller caught a touchdown pass during the second half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Bruce Gradkowski takes a snap during the second half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles' Matthew Tucker (39) is tackled by Pittsburgh Steelers' Mike Mitchell (23) during the second half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Philadelphia Eagles head coach Chip Kelly, left, meets with Pittsburgh Steelers head coach Mike Tomlin after an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. Philadelphia won 31-21. (AP Photo/Matt Rourke)

Philadelphia Eagles' Henry Josey rushes during the second half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Nick Foles (9) and Bennie Logan (96) celebrate after a NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. Philadelphia won 31-21. (AP Photo/Matt Rourke)

Pittsburgh Steelers' Darrius Heyward-Bey, right, and Kashif Moore celebrate after Heyward-Bey's touchdown during the second half of an NFL preseason football game, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Darrius Heyward-Bey pulls in a touchdown pass during the second half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Pittsburgh Steelers' Martavis Bryant reacts after a touchdown during the second half of an NFL preseason football game against the Philadelphia Eagles, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Matt Barkley looks to pass during the second half of an NFL preseason football game against the Pittsburgh Steelers, Thursday, Aug. 21, 2014, in Philadelphia. (AP Photo/Matt Rourke)