"I did a really good job in the offseason to get prepared for this year and I know you hear stuff that's said, that hard work pays off," Castillo said. "And I think this is the hard work paying off. … I always believed that I could hit a little bit and that I can play defense a little bit, but I always think that I can get better defensively. Hitting for me, I care, but it's not my No. 1 job. I care more about my defense and my framing. I keep getting better in my throwing and my blocking, my game-calling, everything, and I think I need to keep getting better at all that stuff."