1:35pm: The Astros claimed Martinez, tweets ESPNNewYork's Adam Rubin. They had the first crack at Martinez in the waiver process, with MLB's worst record in 2011.

11:53am: Mets outfielder Fernando Martinez will be claimed shortly by an NL Central team, tweets ESPN's Enrique Rojas. The team appears to be the Astros, based on this tweet from Rojas.

Baseball America named Martinez one of the top 100 prospects in the game before each of the 2007-10 seasons, and at age 23, he's worth a 40-man roster spot for new Houston GM Jeff Luhnow. Injuries, selectivity, and plate coverage have limited Martinez thus far, wrote Baseball America a year ago.