The Blazers signed three players on Wednesday -- forward Luke Jackson, rookie center Steven Hill and rookie guard Jamaal Tatum.
A Portland radio station announced on Wednesday that Luke Jackson will be added to the Blazers preseason roster.
The Heat requested waivers on Luke Jackson in order to make room for Marcus Banks.
Luke Jackson missed Monday's game with the flu.
Luke Jackson had 14 points, six rebounds, two assists, a steal and three 3-pointers on 4-of-8 shooting in a rare NBA start on Wednesday for the Lakers.
Luke Jackson hit four threes on his way to 14 points in Tuesday's loss.
Pat Riley said Luke Jackson, a 6-6 swingman, could be an option at point guard if starter Jason Williams (knee) and backups Chris Quinn (ankle) and Smush Parker (conduct violation) remain limited or inactive.
Luke Jackson, acquired by the Heat on Wednesday, played some meaningful minutes in Thursday's game and finished with four points, three rebounds and two assists in 14 minutes.
The Heat signed G/F Luke Jackson on Wednesday after waiving Penny Hardaway.
Luke Jackson is scheduled for a workout in Miami and could sign with the Heat as early as Sunday.
Just before the deadline to cut rosters to 15, the Raptors waived former lottery pick Luke Jackson, while holding onto 27-year-old rookie Jamario Moon.
The Toronto Sun reports Luke Jackson better perform better in the final two preseason games or he'll likely be cut from the roster.
Luke Jackson, who scored three points in 38 minutes in his last game, hit 12-of-16 shots and a couple threes to score a career-high 30 in Wednesday's loss to the Sixers.
With Chris Bosh, Anthony Parker and Joey Graham out of action on Tuesday, Luke Jackson started for the Raptors.