Walsh will come off the bench for Tuesday's preseason game against the Raptors, Blake Murphy of Sportsnet.ca reports.
After resting their starters Sunday against Toronto, the Celtics will be close to full strength Tuesday evening. Walsh has made a strong impression in the preseason so far, averaging 9.5 points, 4.3 rebounds, 1.8 assists and 1.5 three-pointers across four games.