Nationals reliever Craig Stammen will require surgery after an MRI Thursday revealed damage in his arm.
The Washington Nationals return home on Thursday to begin a seven-game homestand starting with a four-game set against the Philadelphia Phillies.
Ian Desmond's issues in the field highlighted a tough first week for the Nats. That and more on this week's Stock Watch.
Rafael Martin couldn't have scripted a better MLB debut: The 30-year-old Nats rookie reliever struck out five straight batters at Fenway Park on Wednesday.