Durant won back-to-back championships during his time with the Warriors in 2017 and 2018, and was named as the Finals MVP on both occasions
Kevin Durant fired the Brooklyn Nets to a 134-117 victory against former team the Golden State Warriors, scoring 20 points.
The two-time NBA champion was returning after missing the past three games while in quarantine.
"I loved my time here, I loved playing for this team, but I'm glad we got a good W," said Durant.
The forward spent three seasons as a member of the Warriors before leaving in 2019.
Durant won titles with the Warriors in 2017 and 2018, earning NBA Finals MVP honours each year before suffering a torn Achilles tendon in the 2019 championship series and then departing for the Nets.
Kyrie Irving paced the Nets with 23 points, and James Harden provided a game-high 16 assists and 19 points, helping Brooklyn complete a dominant win in the new arena in San Francisco that the Warriors moved into last season.
Elsewhere, Western Conference leaders the Utah Jazz claimed their seventh victory in a row with a 112-94 win over the Miami Heat.
Donovan Mitchell scored 26 points, Bojan Bogdanovic 19 and Rudy Gobert 16 points for the Jazz.
The New York Knicks defeated the Houston Rockets 121-99, Immanuel Quickley scoring 22 points, including three critical second-half three-pointers for the Knicks.
And the Indiana Pacers overcame the Atlanta Hawks 125-113 with Aaron Holiday coming off the bench to score a season-high 18 points and help the Pacers come back from a nine-point fourth-quarter deficit.
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