[2] After batting .335 with 26 home runs and 97 RBI in 116 games for the Orioles Double-A affiliate Bowie Baysox, he was called up to the majors for the first time.

In 2008, Montañez won the Eastern League Triple Crown despite missing nearly a month of the season after getting called up to the majors.

[3] Montañez made his major league debut on August 5, 2008,[4] playing an inning defensively and without making a plate appearance.

[5] The next day, he hit a home run in his first major-league at bat,[a] making him the second Oriole to accomplish the feat, the first having been Buster Narum in 1963.

[9] After starting the 2009 season playing for the Orioles Triple-A affiliate, Norfolk Tides, Montañez was recalled to the majors on April 21 after an injury to Ryan Freel.