The Expos added Moraga to the Major League roster for the first time on June 11, 2000 following an injury to T. J.

[1] He made his Major League debut on June 11 against the Toronto Blue Jays in Toronto and faced two batters, throwing a wild pitch, recording no outs, allowing an inherited runner to score and allowing two earned runs of his own.

[2][3] The Expos designated Moraga for assignment on June 17, 2000, at which point he had a 37.80 earned run average (ERA) in three pitching appearances.

[5] On September 20, the Rockies recalled Moraga from Triple-A Colorado Springs where he had credited minor league pitching coach Jim Wright with teaching him to throw a slider properly.

This biographical article relating to an American baseball pitcher born in the 1970s is a stub.