|Born: November 10, 1981|
San Cristóbal, Dominican Republic
|August 1, 2004, for the San Francisco Giants|
|Last MLB appearance|
|September 25, 2011, for the Texas Rangers|
|Earned run average||5.57|
San Francisco GiantsEdit
He was traded by the Braves with Damian Moss to the San Francisco Giants for Russ Ortiz on December 17, 2002. He was named San Francisco's Minor League Player of the Year and selected as a Low A All-Star in 2003 when he went 9-5 with a 2.25 ERA for the Hagerstown Suns in the South Atlantic League. In 2004, Valdez pitched for Single-A San Jose Giants, Double-A Norwich Navigators, Triple-A Fresno Grizzlies, and made his Major League debut on August 1, 2004 against the St. Louis Cardinals. He appeared in 2 games for the Giants, working 1.2 innings for a 27.00 ERA. Valdez was selected to the World squad for the All-Star Futures Game for 3 consecutive years (2003–05), held in conjunction with MLB All-Star festivities.
Valdez returned to the Giants to appear in 17 games in 2007 and 48 games in 2009.
Toronto Blue JaysEdit
On January 20, 2010, he was traded to the Toronto Blue Jays for cash considerations. He appeared in two games with the Blue Jays during the season, spending most of the season with the Las Vegas 51s.
Los Angeles DodgersEdit
On February 2, 2011 he was signed to a minor league contract by the Los Angeles Dodgers. The Dodgers assigned him to the AAA Albuquerque Isotopes. He opted out of his contract on July 18 and became a free agent. He had appeared in 38 games with the Isotopes with a 4-2 record, 3.58 ERA and 5 saves.
When Valdez was first traded to the Giants, he went by the name Manny Mateo. While in his first year with the organization, however, his real name and real age (nine months older than he previously claimed) were revealed.
Valdez is single and has a son, Merkin Hanier, born August 11, 2006.
- Bastian, Jordan. Jays acquire Valdez from Giants, MLB.com. Published January 20, 2010. Retrieved January 21, 2010.
- Merkin 9 to 5: Valdez to toil in Dodger minor leagues
- Links, Zach. "Rangers Notes: Valdez, Mendez, Pinto". MLBTradeRumors.com. Retrieved 24 July 2011.