The Houston Astros have always believed in veteran catcher Martín Maldonado, and their faith is paying off. The Houston Astros have gotten a lot of flack this season about their catcher from voices outside the organization. By most traditional measurements, Martín Maldonado isn’t have a very good season. The advanced sabermetric statistics haven’t been so kind to him either. Thus, when the trade deadline rolled around, many sources around the league pegged Houston as the perfect landing spot for Chicago Cubs catcher Willson Contreras. They were in the market for another right-handed bat, and catcher seemed to be the most…