(Undated) -- Last year's NBA Finals teams are taking care of business to tip off the NBA Playoffs. The defending NBA Champion Bucks handled the Bulls 93-86 in Game One in Milwaukee to open their postseason on Sunday. Meanwhile out west, the Suns handled the Pelicans 110-99 to take an early 1-0 series lead. Elsewhere Sunday, the Heat blew out the Hawks 115-91 in Game One while Jayson Tatum sunk a buzzer beater to lift the Celtics over Kyrie Irving and the Nets 115-114. Tonight, the 76ers host the Raptors for Game Two. Philly is up 1-0 in the series. The Jazz will look to go up 2-0 when it visits the Mavericks for Game Two and Golden State will host the Nuggets. The Warriors lead the series 1-0.