Like lots of talented basketball players, Derrick Jones Jr. went pro after one year in college. Unlike lots of pro basketball players, he wanted to stay in school. This week on Only A Game, Jones Jr's unlikely route to the NBA. And, what's harder than running a marathon? Running it on a treadmill...in prison. We'll have the story of an ex-con running toward a better life. Plus, we'll meet a man devoted to collecting baseball cards featuring Mike Piazza...in a Marlins uniform. Join us!