NBA News today: Lakers land Walker Kessler, Celtics trade Jaylen Brown for Paul George, other major moves

NBA teams have been busy reshaping their rosters as the league's free agency signing period approaches.

Among the biggest moves so far are those involving the Los Angeles Lakers and the Boston Celtics.

Here are some of the updates:

Lakers land Walker Kessler in sign-and-trade deal with Jazz

Walker Kessler is ticketed for the Lakers in a sign-and-trade agreement with the Utah Jazz that includes a new four-year, $130 million deal in Los Angeles, according to multiple reports.

Pistons forward Harris reportedly headed to Spurs

Veteran forward Tobias Harris, who helped the Detroit Pistons build the best record in the NBA Eastern Conference last season, is reportedly headed to the San Antonio Spurs as a free agent.

Celtics trade Jaylen Brown to 76ers for Paul George, 4 picks

The Boston Celtics have agreed to a blockbuster trade which sends All-NBA forward Jaylen Brown to the Philadelphia 76ers in exchange for former All-NBA veteran forward Paul George and four draft picks, according to multiple media reports on Wednesday.

Norman Powell agrees to 2-year deal with Bulls

The Chicago Bulls and free-agent guard Norman Powell have agreed to a two-year, $45 million deal, ESPN reported Wednesday.

Orlando Magic welcome back Nikola Vucevic for new season

The Magic did not disclose contract terms, but Vucevic agreed to a one-year, $3.9 million deal, according to an ESPN report.

Celtics add Mitchell Robinson, Mike Conley as free agents —report

The Boston Celtics reportedly agreed on a three-year, $47.4 million deal with center Mitchell Robinson, who was part of the champion New York Knicks this past season.

—Reports from Reuters/GMA News