"I've worked with guys in the past -- not so much on-the-field work, but just mentality, mindset," the 40-year-old Seymour said. "Here's the thing: In my mind, anybody can be good if they have a certain amount of talent. But what I try to give guys is the mindset of what it takes to be great, and to be great consistently. To develop a mentality over the course of your career. I'd say Leonard has all the tools for what it takes to be great."