Those 3 are the McLaren game, and Harper's road and home debuts, I think.
edit - not his home debut but Strasburg was pitching and it was against the Phillies.
Greatest regular season game in Nationals history. Day after Riggleman quit, just a game over .500, and an absolute blast of a game. The McLaren meltdown may not have been as high leverage as Martinez, but it is right there in fury.
If you want your brain blown by a dozen "I forgot about that guy!"'s, here is the box score
https://www.baseball-reference.com/boxes/CHA/CHA201106240.shtml