You have to keep in mind that Maya has pitched in a grand total of 7 games since the WBC in March of 2009. 7 games in two full MLB seasons and people expect him to look like? What exactly? There isn't a pitcher in baseball that can take off a year and a half and be effective after a 21 inning tune up.
The point is that someone here said that Maya would be a #1 pitcher on most teams. Think about it and realize how ridiculous that statement is. Guys who are anywhere close to having the potential to be #1's on most teams don't sign for $6 Million to the Nats.