Basketball

CHARLESTON, S.C. (AP) — Doc Rivers is at ease using his platform as an NBA coach to fight bigotry and racial injustice , campaign for politicians he believes in and advocate for social change on themes ranging from poverty to police brutality.

TORONTO — Some familiar faces are joining the Toronto Raptors' NBA G League affiliate Raptors 905, including Pascal Siakam's brother.

BOSTON (AP) — Jaylen Brown scored 24 points and Jayson Tatum added 16 on Sunday as the defending Eastern Conference champion Boston Celtics opened under new coach Joe Mazzulla with a preseason 134-93 victory over the Charlotte Hornets.

EDMONTON — The Toronto Raptors opened their exhibition season on Sunday by being simply dominant in their Canadian home away from home.

BOSTON (AP) — Not too many NBA first-timers get to take over a reigning conference champion and oddsmakers’ favorite to win an NBA title. Joe Mazzulla knows he’s one of the lucky ones.

MIAMI (AP) — Tyler Herro's future is secure, and the Miami Heat have him locked up for five years. Herro signed a four-year contract extension with the Heat on Sunday.

DENVER (AP) — The Denver Nuggets agreed to a multiyear contract extension with general manager Calvin Booth on Sunday. Booth, 46, is in his sixth season with the franchise.

MILWAUKEE (AP) — Rookie David Roddy scored 18 points, two-way signee Kenny Lofton Jr. added 17 and the Memphis Grizzlies used a late run to beat the Milwaukee Bucks 107-102 on Saturday night in the opening preseason game for both teams.

NEW ORLEANS (AP) — The New Orleans Pelicans and forward Larry Nance Jr. have agreed to a two-year extension worth $21.6 million, his agent, Mark Bartelstein, said Saturday.

MEMPHIS, Tenn. (AP) — The Memphis Grizzlies gave center Steven Adams a multiyear contract extension Saturday after the center's strong first season with the team. Adams averaged career highs of 10.0 rebounds and 3.4 assists to go with his 6.