By Chris Rosvoglou The Dallas Mavericks were already expecting to play Game 1 of their first-round playoff series without All-Star point guard Luka Doncic. As if that wasn’t bad enough, there’s a chance Doncic’s absence will extend beyond Game 1. On Friday, ESPN insider Adrian Wojnarowski reported that Doncic will be out for Game 1 against the Utah Jazz. He also said “significant concerns” remain regarding Doncic’s status for Game 2. According to Wojnarowski, the Mavericks will play the long game with Doncic’s injury. They’ll take a day-by-day approach to his injury once Saturday’s game is com…