Leonard, 30, is 7-foot-0 and last played in the NBA in the 2020-21 season, when appeared in three games with the Heat. He played 51 games with Miami the year before that, averaging career-highs of 6.1 points and 5.1 rebounds.
Originally drafted by the Trail Blazers with the No. 11 overall pick in 2012, Leonard spent seven seasons in Portland before being sent to the Heat as part of the multi-teamJimmy Butler deal.
He was traded by the Heat to the Thunder for forward Trevor Ariza in March 2021, then immediately waived.
The Lakers are looking for veteran frontline help to take some of the pressure off LeBron James and Anthony Davis (when healthy).