Holiday was traded mid-season to the Memphis Grizzlies from the Chicago Bulls.
The Wizards have reportedly removed the "interim" label from Tommy Sheppard.
Philadelphia 76ers' Joel Embiid will be among the coaches of campers at Africa 2019 in Senegal.
The Kings have hired former WNBA player Lindsey Harding as an assistant and player development coach on Luke Walton's staff.
All-NBA guard James Harden is expanding his sports profile into soccer.
Green averaged 8.7 points and 6.5 rebounds in 24 appearances with the Clippers last season.
The Timberwolves have signed rookie center Naz Reid to a multiyear contract, upgrading the two-way deal they initially gave him.
"Getting Kemba was a top priority in free agency," said Celtics GM Danny Ainge.
Chris Paul was traded to the Thunder, and he'll reportedly stay on through training camp and beyond.
Cheick Diallo averaged 6.0 points and 5.2 rebounds in 64 appearances last season.