He hit .378 with Las Vegas and made his major league debut as a defensive replacement for the Dodgers in the ninth inning against the Milwaukee Brewers on May 14, 2008. He made his first start at shortstop the following day and went 1 for 3, getting his first career hit off Brewers starter Ben Sheets. In 45 games with the Dodgers in 2008, Maza hit .228.
In 2009, Maza spent the entire year with the AAA Albuquerque Isotopes. He hit .300 with 5 homers and 44 RBI. He was a utility player for Albuquerque. He played second, third, left, two innings in center, and got two outs as a pitcher in a blowout loss to the Round Rock Express on July 20.
The Phillies sent Maza to the Houston Astros on June 25, 2010. He played in 15 games for the Round Rock Express, hitting .258. He was released on August 6.
BBC Grosseto
In 2011, Maza signed one-year contract with the Italian team Bbc Grosseto.