You won't hear ''Stay classy, Flint, Michigan,'' but the 1970s mojo of Ron Burgundy lubricates the hardwood of this basketball period piece. Ferrell plays the crooning player/coach/owner of the moribund Flint Tropics, who are struggling to survive the imminent merger between the NBA and ABA. Will Arnett, Rob Corddry, and Jackie Earle Haley all show up — alongside Afros, short shorts, and, yes, actual ball-playing.