Houston, Texas - A stunning 49-point outburst from Memphis Grizzlies star Ja Morant carried his side back from a 16-point first-half deficit to defeat the Houston Rockets 129-122 on Friday.

Morant had 18 points and six assists in the first half, but the rest of the Grizzlies were struggling, falling into a 42-26 hole early in the second quarter before trimming the margin to 70-62 at halftime.

The second pick from the 2021 NBA Draft, Jalen Green, showed why Rockets fans are so excited as he piled up 33 points on 13-of-21 shooting while going four-of-five from long range, but Morant was matching him step-for-step before running away late.

Memphis won the fourth quarter 34-22 as the Rockets ran out of gas, with Morant finishing 17-of-26 from the field, and five-of-six from long range, while adding eight assists, four rebounds, two blocks and a steal. He had 31 in the second half, and only a missed free throw in the fourth quarter kept him from scoring 50.

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In an eye-catching performance, second-year center Alperen Sengun tallied 23 points (nine-of-13 shooting) with 12 rebounds in 27 minutes off the Houston bench.

The Washington Wizards are now 2-0 after a Bradley Beal game-winner with seven seconds remaining handed his side a 102-100 win over the Chicago Bulls.

Chicago trailed by nine points with less than five minutes to play, but from that point on DeMar DeRozan dropped 11 of his 32 points (11-of-23 shooting), tying things up at 98-98 with a minute remaining after a pair of free throws.

Beal answered back with a layup, and DeRozan leveled the score again with a dunk, before Beal sank the dagger to finish with 19 points (nine-of-14 shooting) and eight assists. DeRozan had a chance to win it with a three-pointer at the buzzer, but could not deliver.

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The combination of Jaylen Brown and Jayson Tatum proved too much for the Miami Heat to overcome, with the duo combining for 57 points in the Boston Celtics' 111-104 triumph.

Tatum finished with 29 points on 10-of-22 shooting, getting to the line and hitting all seven of his free throws, while Brown was more efficient from the field, hitting 12-of-18 shots for 28 points after they scored 35 each in Boston's season opener.

The Heat could not survive in the minutes center Bam Adebayo had to sit down, as the big man posted 19 points (eight-of-11 shooting) with eight rebounds, five assists, two steals and a plus/minus of plus 20 in his 35 minutes.

Unfortunately for Miami, they were minus 26 in the 12 minutes he was on the bench.

The Brooklyn Nets won their first game with Ben Simmons as they defeated the Toronto Raptors 109-105 at home.

Simmons was solid without contributing much on the scoreboard, finishing with six points (three-of-five shooting), but he grabbed 10 rebounds, dished eight assists and blocked two shots.

Kyrie Irving and Kevin Durant carried the scoring load, as Irving top-scored, producing 30 points on 11-of-24 shooting while adding seven assists, while Durant hit eight-of-18 shots for 27 points and six assists.