Exclusive: Nationals' instructional league roster

The Nationals begin instructional league workouts Sept. 14 featuring a talented roster of prospects from around the organization. MASNsports.com has learned the roster includes pitchers A.J. Cole, Lucas Giolito, Jake Johansen, Robbie Ray, Austin Voth and Wander Suero. Catcher Spencer Kieboom returns from injury, plus Jason Martinson, Billy Burns, Isaac Ballou, Hayden Jennings and Michael Taylor highlight an impressive list of top talent. The players report to Viera, Fla., training facility Sept. 13. They begin competition against teams representing the Astros, Braves and Tigers on Sept. 21. The final game of the season is Oct. 9. Arizona Fall League starts Oct. 8. Here is an exclusive early look at the Nationals instructional league roster: Pitchers: Cole, A.J. Encarnacion, Pedro Giolito, Lucas Johansen, Jacob Lee, Nick Mooneyham, Brett Orlan, Robert Ott, Travis Pena, Ronald Pivetta, Nicholas Ray, Robbie Reyes, Luis Rodriguez, Jefry Self, Derek Silvestre, Hector Simms, John Suero, Wander Treinen, Blake Turnbull, Kylin Valdez, Phillips Voth, Austin Williams, Deion Catchers: Kieboom, Spencer Perrott, Geoffrey Leonida, Cole Reistetter, Matt Severino, Pedro Infielders: Abreu, Osvaldo Difo, Wilmer Franco, Anderson Gunter, Cody Martinson, Jason Masters, David Mejia, Bryan Perez, Stephen Pleffner, Shawn Renda, Tony Ward, Drew Yezzo, James Outfielders: Ballou, Isaac Bautista, Rafael Burns, Billy Encarnacion, Randy Hood, Destin Jennings, Hayden Miller, Brandon Taylor, Michael