"He was confident with everything, every step," said minor league medical coordinator Dave Walker, who oversaw Machado's rehab. "There was no trepidation or hesitation. And that's very common to have, but he didn't have that. He was almost giving me a hard time. He was like, 'It's about time. Let's go.' I would ask him if he was ready for the next step, and he'd say, 'What do you think?' He was easy. … If all my guys had that mindset, I wouldn't have any gray hair."