The Nationals move to address the team’s main area of concern – the bullpen – by sending P Blake Treinen and prospects Sheldon Neuse and Jesus Luzardo to the Athletics in return for two relievers with proven track records, Ryan Madson and Sean Doolittle.

The Nationals move to address the team’s main area of concern – the bullpen – by sending P Blake Treinen and prospects Sheldon Neuse and Jesus Luzardo to the Athletics in return for two relievers with proven track records, Ryan Madson and Sean Doolittle.