NFL teams are making big money moves to prepare for the leagues free agent frenzy which officially begins on March 12. Teams released several star players to clear salary cap space while others signed big contract extensions. Who did the Eagles re-sign? Tuesday, March 4, the Philadelphia Eagles signed running back Saquon Barkley to a record contract extension worth a reported $41 million over two seasons making him the highest paid back in the history of the league. Barkley helped lead the Eagles to a Super Bowl victory and rushed for over 2,500 yards this season. On the defensive side,…