The Durant move wrote an epitaph to the "Big Three" era of the Nets, who sent James Harden to Philadelphia a year ago and traded star guard Kyrie Irving to Dallas earlier this week.
News that Kevin Durant was among those who had contracted the virus came soon after the Brooklyn Nets confirmed four players had tested positive for COVID-19.
The Golden State Warriors inflicted the first 4-0 NBA Finals blanking since the Cleveland Cavaliers were swept by San Antonio in 2007.
Oklahoma City's Kevin Durant overcame a bruised left calf to score 34 points and lead the Thunder to a 97-75 win over the Indiana Pacers on Friday, moving the team level with San Antonio for top spot in the NBA's Western Conference.
Oklahoma City's Kevin Durant scored 35 points as the Thunder held off a late rally by the Los Angeles Clippers to win 108-104 in Sunday's clash of NBA divisional leaders.
Oklahoma City Thunder opened an early four-game break atop the NBA's Northwest Division by beating their nearest rivals Utah Jazz 106-94 on Friday, with Kevin Durant scoring 25 points.
Oklahoma City's Kevin Durant put in a strong fourth-quarter performance to guide the Thunder to a 97-91 victory at the Chicago Bulls on Thursday.
Tony Parker sank a 21-foot jumper as time expired and the San Antonio Spurs won a thrilling rematch of the Western Conference finals, beating the Oklahoma City Thunder 86-84 on Thursday.
US Olympic NBA stars booked a gold-medal rematch with reigning European champion Spain in Sunday's men's basketball final by blowing out Argentina 109-83 on Friday.
A limping, grimacing LeBron James shook off the pain of leg cramps to hit a tiebreaking 3-pointer and the Miami Heat held on to edge the Oklahoma City Thunder 104-98 on Tuesday, taking a 3-1 series lead in the NBA Finals.