Michael Morse has been activated from the 15-day disabled list and is playing right field and hitting fourth. Outfielder Corey Brown has been optioned to Triple-A Syracuse to make room for Morse. Here is the Nationals' lineup against the Braves: 2B Danny Espinosa CF Bryce Harper 3B Ryan Zimmerman RF Michael Morse 1B Adam LaRoche SS Ian Desmond LF Xavier Nady C Jesus Flores P Stephen Strasburg