After months of talent-deprived summer league games and roster churning preseason tilts, the regular season feels like a birthday and christmas all wrapped into one. That’s why tonight is a cause to celebrate, as we will finally see a full game from Giannis Antetokounmpo, Khris Middleton, Thon Maker and the entire merry band of Milwaukee Bucks. That excitement is tempered slightly by the horrific injury that occurred to new Celtics star Gordon Hayward last night. A gruesome ankle issue made fans, viewers and players sick for one of the league’s shining stars.