Pittsburgh Steelers quarterback Michael Vick (2) walks through the tunnel prior to the NFL regular season game against the San Diego Chargers on Monday, Oct. 12, 2015 in San Diego. The Steelers won, 24-20. (Ric Tapia via AP)

Philadelphia Eagles quarterback Michael Vick (7) and wide receiver Jeremy Maclin (18) run onto the field before an NFL football game agianst the Dallas Cowboys, Sunday, Nov. 8, 2009, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles quarterback Michael Vick, center, tries to elude New England Patriots defensive tackle Kyle Love, right, as Patriots defensive end Chandler Jones, left, is held back by Eagles tackle King Dunlap during the first quarter of an NFL preseason football game in Foxborough, Mass., Monday, Aug. 20, 2012. (AP Photo/Elise Amendola)

Philadelphia Eagles quarterback Michael Vick runs with the ball in the first half of an NFL football game against the Indianapolis Colts, Sunday, Nov. 7, 2010 in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles' Michael Vick looks to pass during the first half of a preseason NFL football game against the New England Patriots, Friday, Aug. 9, 2013, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles quarterback Michael Vick during a preseason NFL football game against the Jacksonville Jaguars, Thursday, Aug. 27, 2009, in Philadelphia. (AP Photo/Matt Rourke)

Pittsburgh Steelers quarterback Michael Vick (2) scrambles for yardage in action against the Baltimore Ravens Thursday, October 1, 2015 in Pittsburgh, Pa. (Damian Strohmeyer via AP)

Philadelphia Eagles quarterback Michael Vick, right, tires to scramble past Jacksonville Jaguars defensive end Derrick Harvey during the first quarter of a preseason NFL football game Thursday, Aug. 27, 2009, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles quarterback Michael Vick scrambles for a 19-yard gain during the second quarter of an NFL football game against the St. Louis Rams on Sunday, Sept. 11, 2011, in St. Louis. (AP Photo/Seth Perlman)

Pittsburgh Steelers quarterback Mike Vick (2) drops back to pass during the 2015 NFL week 6 regular season football game against the Arizona Cardinals on Sunday, Oct. 18, 2015 in Pittsburgh. The Steelers won the game 25-13. (Paul Spinelli via AP)

Philadelphia Eagles quarterback Michael Vick scrambles during the second half of an NFL wild card playoff football game against the Green Bay Packers in Philadelphia, Sunday, Jan. 9, 2011. (AP Photo/Miles Kennedy)

Philadelphia Eagles' Michael Vick (7) points out coverage in a haze of fireworks smoke in the first half of an NFL football game against the Houston Texans, Thursday, Dec. 2, 2010 in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia Eagles quarterback Michael Vick, right, throws under pressure by Chicago Bears defensive tackle Anthony Adams in the first half of an NFL football game in Chicago, Sunday, Nov. 28, 2010. (AP Photo/Charles Rex Arbogast)

Philadelphia Eagles quarterback Michael Vick (7) scrambles in the second half of an NFL football game against Chicago Bears in Chicago, Sunday, Nov. 28, 2010. (AP Photo/Charles Rex Arbogast)

Philadelphia Eagles quarterback Michael Vick (7) throws a pass during the second half of an NFL football game against the New York Giants in Philadelphia, Sunday, Nov. 21, 2010. (AP Photo/Rob Carr)

Philadelphia Eagles quarterback Michael Vick (7) rushes during the first half of an NFL football game against the Washington Redskins, Monday, Nov. 15, 2010, in Landover, Md. The Eagles won 59-28. (AP Photo/Nick Wass)

Philadelphia Eagles quarterback Michael Vick celebrates throwing a touchdown pass against the Washington Redskins during the second half of an NFL football game, Monday, Nov. 15, 2010, in Landover, Md. The Eagles won 59-28. (AP Photo/Gail Burton)

In this Oct. 3, 2010 file photo, Washington Redskins safety LaRon Landry stretches to reach Philadelphia Eagles quarterback Michael Vick during the first half of an NFL football game in Philadelphia. (AP Photo/Matt Slocum, File)

Philadelphia Eagles quarterback Michael Vick (7) is lifted in the air by teammate Philadelphia Eagles offensive tackle Jason Peters (71) after throwing a touchdown pass in the second quarter during an NFL football game against the Jacksonville Jaguars in Jacksonville, Fla., Sunday, Sept. 26, 2010. (AP Photo/Stephen Morton)

Philadelphia Eagles quarterback Michael Vick (7) points skyward after throwing a touchdown pass during an NFL football game against the Jacksonville Jaguars in Jacksonville, Fla., Sunday, Sept. 26, 2010.(AP Photo/Phelan M. Ebenhack)

Philadelphia Eagles quarterback Michael Vick, right, scrambles downfield in the second half of an NFL football game against the against the Green Bay Packers, Sunday, Sept. 12, 2010, in Philadelphia. (AP Photo/Mel Evans)

Philadelphia Eagles quarterback Michael Vick in the first half of an NFL preseason football game against the New York Jets, Thursday, Sept. 2, 2010, in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia Eagles quarterback Michael Vick looks to pass in the first half of an NFL preseason football game against the Jacksonville Jaguars, Friday, Aug. 13, 2010, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles quarterback Michael Vick rolls out during their NFL football game at the Georgia Dome in Atlanta Sunday, Dec. 6, 2009, (AP Photo/Dave Martin)

Philadelphia Eagles quarterback Michael Vick (7) is chased by Chicago Bears defenders on a long run in the first quarter of an NFL football game in Chicago, Sunday, Nov. 22, 2009. (AP Photo/Charles Rex Arbogast)

Philadelphia Eagles quarterback Michael Vick leaves the field after the NFL football game against the Washington Redskins, Monday, Oct. 26, 2009 in Landover, Md. The Eagles won 27-17. (AP Photo/Pablo Martinez Monsivais)

Philadelphia Eagles quarterback Michael Vick during an NFL football game against the Tampa Bay Buccaneers, Sunday, Oct. 11, 2009, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles quarterback Michael Vick during an NFL football game against the Kansas City Chiefs, Sunday, Sept. 27, 2009, in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia Eagles quarterback Michael Vick scrambles during an NFL football game against the Kansas City Chiefs, Sunday, Sept. 27, 2009, in Philadelphia. (AP Photo/Mel Evans)

Philadelphia Eagles' Michael Vick (7) evades New York Jets linebacker Bart Scott (57) during the first quarter of an NFL preseason football game at Giants Stadium, Thursday, Sept. 3, 2009, in East Rutherford, N.J. (AP Photo/Peter Morgan)

Atlanta Falcons' Michael Vick throws a pass against the Dallas Cowboys during the first half of an NFL football game Saturday, Dec. 16, 2006, in Atlanta. (AP Photo/Rob Carr)

Atlanta Falcons quarterback Michael Vick (7)scrambles against the Washington Redskins during an NFL football game, Sunday, Dec. 3, 2006, in Landover, Md. The Falcons won 24-14.(AP Photo/Nick Wass)

Atlanta Falcons quarterback Michael Vick (7) passes over the defense of New Orleans Saints' Josh Bullocks (29) in the first quarter of their NFL football game at the newly re-opened Louisiana Superdome in New Orleans on Monday, Sept. 25, 2006. (AP Photo/Dave Martin)

Atlanta Falcons quarterback Michael Vick gets over Tampa Bay Buccaneers linebacker Derrick Brooks (55) for a first quarter touchdown during NFL football play at the Georgia Dome in Atlanta, Sunday, Sept. 17, 2006. (AP Photo/John Amis)

Atlanta Falcons quarterback Michael Vick goes back to pass during the first quarter against the Green Bay Packers during an NFL preseason football game Saturday, Aug. 19, 2006, in Green Bay, Wis. (AP Photo/Morry Gash)

Carolina Panthers' Al Wallace (96) runs down Atlanta Falcons quarterback Michael Vick (7) during second-half NFL action in Atlanta, Sunday, Jan. 1, 2006. Carolina won, 44-11. (AP Photo/Bill Haber)

Atlanta Falcons quarterback Michael Vick (7) evades the reach of Carolina Panthers' Michael Rucker (93) during the first quarter in Charlotte, N.C., Sunday Dec. 4, 2005.(AP Photo/Chuck Burton)

Atlanta Falcons quarerback Michael Vick leaps over the goal line as he scores a first quarter touchdown against the Philadelphia Eagles Monday, Sept. 12, 2005 in Atlanta. (AP Photo/John Bazemore)

AFC quarterback Michael Vick is tackled by AFC's Marcus Stroud in the fourth quarter of the Pro Bowl, Sunday, Feb. 13, 2005, in Honolulu. (AP Photo/Ronen Zilberman)

Atlanta Falcons quarterback Michael Vick (7) is tied up following a first half run by St. Louis Rams tackle Ryan Pickett (79), safety Adam Archuleta (31) and linebacker Robert Thomas (55) during the NFC Divisional Playoffs at the Georgia Dome in Atlanta, Saturday, Jan. 15, 2005. (AP Photo/John Amis)

Atlanta Falcons quarterback Michael Vick acknowledges the crowd as he leaves the field after the Falcons beat the Oakland Raiders 35-10 to clinch the NFC South at the Georgia Dome in Atlanta, Sunday, Dec. 12, 2004. (AP Photo/John Amis)

Atlanta Falcons quarterback Michael Vick (7) sails through the air after being tripped up by Denver Broncos cornerback Champ Bailey (24) during the second quarter in Denver, on Sunday, Oct. 31, 2004. (AP Photo/Jack Dempsey)

Atlanta Falcons quarterback Michael Vick (7) runs past Carolina Panthers' Brandon Short (53) during the fourth quarter of the Falcons' 27-10 win in Charlotte, N.C., Sunday, Oct. 3, 2004. (AP Photo/Chuck Burton)

Atlanta Falcons quarterback Michael Vick (7) goes airborne over St. Louis Rams cornerback Jerametrius Butler (23) in the first half in Atlanta, Sunday, Sept. 19, 2004. (AP Photo/Ric Feld)

Atlanta Falcons quarterback Michael Vick drops back to pass in the third quarter against the Houston Texans, Sunday, Nov. 30, 2003, in Houston. Vick made his long-delayed season debut for Atlanta after missing 15 weeks because of a broken right leg suffered in the preseason. (AP Photo/Brett Coomer)

Green Bay Packers' safety Matt Bowen (28) knocks Atlanta Falcons' quarterback Michael Vick (7) out of bounds on a run in the first quarter of their NFC Wildcard game Saturday, Jan. 4, 2003, in Green Bay, Wis. (AP Photo/Morry Gash)

Atlanta Falcons quarterback Michael Vick (7) drops back to pass in the second half of play against the Detroit Lions at the Georgia Dome in Atlanta Sunday, Dec. 22, 2002. Vick was credited with his first 300-plus yard game. (AP Photo/Ric Feld)

Atlanta Falcons, quarterback Michael Vick (7) is congratulated by head coach Dan Reeves, left, as he leaves the field after he scored the winning touchdown in overtime against the Minnesota Vikings, Sunday Dec. 1, 2002, in Minneapolis. The Falcons won 30-24. (AP Photo/Paul Battaglia)

Atlanta Falcons quarterback Michael Vick (7) leaves behind Minnesota Vikings' Eric Kelly (25), Lance Johnstone (51), Greg Biekert (54) and Corey Chavous (21) on a 46-yard touchdown run in overtime in Minneapolis, Sunday, Dec. 1, 2002. The Falcons won, 30-24. (AP Photo/Tom Olmscheid)

Quarterback Michael Vick of Virginia Tech holds up an Atlanta Falcons jersey after being picked No. 1 in the NFL draft Saturday, April 21, 2001 in New York. (AP Photo/Mark Lennihan)

Virginia Tech quarterback Michael Vick holds up the MVP trophy after his team defeated the Clemson Tigers 41-20 to win the Gator Bowl in Jacksonville, Fla., Monday, Jan. 1, 2001. (AP Photo/Mark Foley)

In this Aug. 28, 2014, file photo, New York Jets' Matt Simms (5) reacts as quarterback Michael Vick (1) leaves the game during the first half of an NFL preseason football game against the Philadelphia Eagles in Philadelphia. In the 13 years since his arrival as the fastest man on the field who also happened to have the best arm, Vick's impact has been felt in the way quarterbacks and offenses evolve in high school, college, and eventually, the pros. (AP Photo/Chris Szagola, File)

In this Dec. 18, 2011, file photo, Philadelphia Eagles quarterback Michael Vick (7) scores a touchdown as New York Jets defensive back Kyle Wilson can't make the stop in the first half of an NFL football game in Philadelphia. In the 13 years since his arrival as the fastest man on the field who also happened to have the best arm, Vick's impact has been felt in the way quarterbacks and offenses evolve in high school, college, and eventually, the pros. (AP Photo/Matt Slocum, File)

Atlanta Falcons quarterback Michael Vick (7) looks to pass December 8, 2002 in Tampa. The Tampa Bay Buccaneers defeated the Falcons 34 - 10 becoming the first team to record 10 wins in the 2002 season. (AP Photo / Al Messerschmidt)

This Oct. 7, 2012 file photo shows Philadelphia Eagles quarterback Michael Vick (7) looking to pass in the third quarter of an NFL football game against the Pittsburgh Steelers in Pittsburgh. Despite speculation that Vick's starting job was in jeopardy, he's still the No. 1 quarterback for the Eagles. He'll face his old team on Sunday, the Atlanta Falcons (6-0). (AP Photo/Gene J. Puskar, File)

In this Nov. 13, 2011 photo, Philadelphia Eagles quarterback Michael Vick walks onto the field before an NFL football game against the Arizona Cardinals in Philadelphia. The Eagles, who were conceded to have "won" free agency with the signings of a number of prize players, struggled to develop the chemistry necessary to make a playoff push and now find themselves on the verge of their own offseason. (AP Photo/Matt Slocum, File)