San Antonio won its 14th straight at the AT&T Center, improving the league's best home record to 19-2.
The Spurs' projected starting lineup of Leonard,
Leonard played 28 minutes after sitting out the previous three games with a strained left shoulder.
Green had 11 points in his return from a 10-game absence due to tightness in his left groin.
Nikola Jokic had 23 points and nine rebounds for Denver, which has lost 10 straight in San Antonio.
Oklahoma City trailed by three entering the fourth quarter, but its bench helped open a double-digit lead as Charlotte shot 5 of 21 from the field over the final 12 minutes. The Thunder attempted 97 shots as they dominated the offensive glass.
All-Star point guard
Chicago made 17 3-pointers and held off several late charges by the Pistons to win for the 13th time in its last 20 games.
LaVine was making his Bulls debut after being acquired from Minnesota in the Jimmy Butler trade. LaVine, who last season averaged 18.9 points in 47 contests, hadn't played since he suffered a torn ACL against Detroit on Feb. 3.
Kelly Oubre added 17 points off the bench off 5-of-6 shooting as Washington moved to 2-2 on a five-game homestand.