"I think I felt good right out of the gate, then I think I went through a little period everyone goes through, a little dead arm period," Britton said. "Your body's just got to get used to playing baseball every day, right? Being on your feet. But the last three outings felt really, really good. So I think physically and mentally, I'm ready to go, but at the same time, I can use the last few innings I have here to work on something."