By Chris Rosvoglou The Dallas Mavericks are about to receive a major boost to their starting lineup. According to ESPN insider Adrian Wojnarowski, there’s “increasing optimism” that Luka Doncic will play in Game 4 against the Utah Jazz. Obviously, the Mavericks would love to have Doncic back on the court as soon as possible – albeit the team has been in good hands with Jalen Brunson running the show. Brunson is averaging 32.0 points, 5.3 rebounds and 5.0 assists per game for the Mavericks this postseason. Doncic has missed the first three games of the Mavericks’ first-round series due to a cal…