Kevin Durant finished with 49 points, 17 rebounds, 10 assists, two blocks and three steals on 16 of 23 shooting from the field.
Kevin Durant and Kyrie Irving combined for 54 points, 12 assists and nine rebounds, helping the Nets steal game 2 from the Bucks by 125-89.
The Brooklyn Nets won Game 1 without James Harden, and the Milwaukee Bucks are in need of a response after a disappointing display.
Giannis and the Milwaukee Bucks had no answer for the Brooklyn Nets. James Harden left the game in the first minute with a hamstring injury.
The Bucks with their own trio of Giannis Antetokounmpo, Jrue Holiday and Khris Middleton, might be the best-equipped team to defend the Nets.
Tatum scored a playoff career-high 50 points to carry Boston to a 125-119 victory on Friday that cut Brooklyn's lead to 2-1.
The Brooklyn Nets jumped all over the Boston Celtics right from the start in Game 2 to take a 2-0 series lead in the NBA play-offs.
Stephen Curry broke the NBA record for the most three-pointers made in a month as Golden State Warriors beat the Sacramento Kings 117-113 on Sunday.
Kevin Durant, Kyrie Irving, James Harden, Blake Griffin and LaMarcus Aldridge are set to make the Nets a powerhouse in the NBA.