so we loaded up the wheelchair and we came down. >> reporter: and that was a one- time thing. >> no. >> reporter: hardly. >> that became everything, that became-- >> reporter: going to batting practice. >> yeah. >> reporter: to watch. >> yeah. >> reporter: never mind that he didn't have a kid on the team. never mind that it wasn't even his alma mater. he just liked baseball that much. >> i guess the love of the game. >> at first it was kind of weird. it was like, who is this guy? >> we got used to him there. >> reporter: so used to him, the coach eventually asked donnie to be his assistant, which gave donnie a purpose he'd never known before. see, prior to the stroke, donnie worked as a bartender. he had no real direction. coaching changed that. he learned to walk again. he enrolled in college, and is now studying to be a special ed teacher. he volunteers at arlington, working with the special ed kids both in the classroom-- >> you're doing great.