Article Photos: OKC RedHawks: Astros general manager Jeff Luhnow in OKC to visit coaches, players

Fernando Martinez (8) catches a ball during a game between the Oklahoma City RedHawks and the Memphis Redbirds in Oklahoma City, Monday, July 2, 2012. Photo by Garett Fisbeck, The Oklahoman

Fernando Martinez (8) catches a ball during a game between the Oklahoma City RedHawks and the Memphis Redbirds in Oklahoma City, Monday, July 2, 2012. Photo by Garett Fisbeck, The Oklahoman