The Astros have set their preliminary 2013 minor league rosters for four of their affiliates,_ Oklahoma City (AAA), Corpus Christi (AA), Lancaster (A) and Quad Cities (A). OKLAHOMA CITY: Pitchers: Kevin Chapman, Jose Cisnero, Paul Clemens, Jarred Cosart, John Ely, C.J. Fick, Dallas Keuchel, Jordan Lyles, Wes Musick, Brett Oberholtzer, Rudy Owens, Jose Valdez, Josh Zeid Catchers: Cody Clark, Jason Jaramillo, Chris Wallace Infielders: Jake Elmore, Marc Krauss, Brandon Laird, Jose Martinez, Jonathan Villar Outfielders: Trevor Crowe, Jake Goebbert, Robbie Grossman, Che-Hsuan Lin, Jimmy Paredes CORPUS CHRISTI Pitchers: Ruben Alaniz, Jake Buchanan, Jorge De Leon, Bobby Doran, Matt Heidenreich, David Martinez, Andrew Robinson, Ross Seaton, Alex Sogard, Jason Stoffel, Nick [...]