Maya was in the clubhouse on Sunday in Pittsburgh, but hasn't been officially added to the roster. A baseball source confirmed that the Cuban will make his first big league start on Tuesday against the Mets.
"I'm really happy to be in the big leagues," Maya explained through an interpreter. "It's a dream come true."
In his two starts at Syracuse, Maya has allowed one run on eight hits and five walks while striking out nine in 10 1/3 innings. The Nationals signed Maya, 28, this summer to a four-year, $6 million contract and see him as a fixture in their future rotation.
"I felt good in the Minors," Maya said. "My arm is at 100 percent, and I feel really good. It's a hard league in Triple-A, with a lot of veteran hitters that are pretty selective. I faced pretty tough hitters, but I felt pretty good."