Despite hitting two home runs on Saturday night, Jason Castro was out of the Astros’ lineup Sunday afternoon as manager Bo Porter stuck with his plan to keep his All-Star catcher healthy and fresh this season. Rookie catcher Cody Clark got his first major league starting nod. The lefthanded Castro, who went 3-for-3 with a double, two home runs and three RBIs Saturday night, hit .571 (4-for-7) with four RBIs, a triple, a double and two homers during the first two games of the series against the Blue Jays. The decision to sit Castro was made easier because the Blue Jays were starting lefthander Mark Buehrle, who is holding lefties [...]