The world of professional sports is a revolving door – athletes come and go.
Sunday, there was an arrival in the NBA that resonated a bit more.
Twenty-three-year-old Quinn Cook signed a 10-day contract with the Dallas Mavericks. For Cook, a personable and popular player, it's his first regular season call up to the NBA. For the past season and-a-half, he's been playing in the D League — pro basketball's minor league.