One day after Jason Castro hit two home runs, Bo Porter gave his starting catcher a bit of a break by starting him as the Astros’ designated hitter Sunday. “One of the huge advantages of being an American League team is the fact that you can move the DH around, and you can keep guys in the lineup,” Porter said. “You want to be able to keep Jason Castro as fresh as possible. I told him this coming into spring training: ‘I’m going to do everything in my power to keep you healthy throughout the whole season and have you catch as many games as possible.” Castro was 4-for-4 for [...]