Just got confirmation a few minutes ago that MASN will indeed carry Stephen Strasburg's debut on March 9 against the Tigers. The game will be shown live on MASN and MASN HD at 1:00, and will be replayed at 7:00, also on MASN and MASN HD.
A few of you were asking about MLB.tv picking up the game, and I don't have the answer to that question yet. But I'll let you know when I hear for sure.
This will be MASN's first Nationals broadcast of the spring, to be followed by games against the Yankees on March 12, the Braves on March 15, the Yankees again on March 24 and the exhibition against the Red Sox from Nationals Park on April 3.