He hopes to practice Friday and reiterated that his chances of playing against the Green Bay Packers are 75 percent.Eagles name defensive coordinator: Juan Castillo is the new defensive coordinator for the Philadelphia Eagles, the team announced on Wednesday.The Eagles also added offensive line coach Howard Mudd to Andy Reid's staff.Philadelphia elected to stay in house, switching over Castillo, who spent 13 seasons as an Eagles offensive line coach, to the defensive side of the ball.Piniella to assist GiantsLou Piniella has agreed to a oneyear contract with the San Francisco Giants to work as a special assistant for the World Series champions. General manager Brian Sabean confirmed Piniella's hiring Wednesday afternoon once the contract was completed.Piniella, 67, retired as a manager during the 2010 season with the Chicago Cubs in order to return home to Tampa, Fla., and help his ailing mother, 91yearold Margaret.Yankees add outfielder: The New York Yankees have acquired outfield