Josh Green didn’t get much of a real opportunity during his rookie year with the Dallas Mavericks. In his second year, he showed the potential of what he could become. Now, he’ll try to put it all together in his third season. As the old saying goes, good things come to those who wait … and that might be the case with the Dallas Mavericks and third-year shooting guard Josh Green this season. Green didn’t get much of a real opportunity during his rookie season under former Mavs head coach Rick Carlisle, but he got a lot more playing time…