We're back with another installment of SportsDayDFW's Mavericks beat writers roundtable. Get it while it's as hot as the red-hot Dallas Mavericks. This week, we discuss Dirk Nowitzki's imminent return, revisit the Luka-DeAndre rebound flap and assess the Mavs' play through the first couple of months of the season:What should Dirk Nowitzki's role be when he returns?Eddie Sefko: Let's make one thing very clear: adding the No.