Douglas averaged 4.3 points and 2.0 assists per game in 12 games for New Orleans last season.
Mudiay was the seventh-overall pick in the 2015 NBA Draft.
Vujacic played in two games for the Clippers last season. In eight seasons, Vujacic has a career average of 5.6 points per game.
"We have been informed Jordan was arrested for allegedly reckless driving in Atlanta, Georgia," Pacers president Larry Bird said in a statement. "It is obvious we don't condone this. We will address this with Jordan. This is a major concern of safety, not just for Jordan, but for others."
Hill was arrested after allegedly driving 107 miles per hour. He recently signed a one-year, $5 million deal with the Pacers.
Thompson averaged 6.1 points and 6.5 rebounds in 81 games last season, while Wallace averaged 1.1 points and 1.8 rebounds in 32 games.
Terms of the deal were not disclosed, but previous reports indicated the contract was for two years at the league minimum. Evans averaged 2.4 points and 1.9 rebounds in 38 games last season.
Scott was arrested along with his brother in Banks County, Ga. The men fled during a traffic stop and speeds of up to 98 mph were reached before stopping two miles down the road. Scott and his brother admitted to having drugs in the car and were booked in the county jail, per MyFox Atlanta.com.
The Hawks are aware of the situation but have no comment at the time.
Haywood averaged 1.6 points and 1.3 rebounds in 22 games for the Cavaliers last season.
Huestis decided to forgo a rookie contract last year and played the season in the D League.
The Thunder selected Huestis out of Stanford with the 29th pick.