Walker produced 20 points (6-10 FG, 1-3 3Pt, 7-10 FT), 14 rebounds, two assists and two steals across 26 minutes during Saturday's 141-88 victory over the Hornets.
Walker logged 17 points (6-7 FG, 3-3 3Pt, 2-2 FT), seven rebounds, one assist and two steals across 19 minutes off the bench during Wednesday's 132-121 loss to the Nuggets.
Portland recalled Walker from the G League's Rip City Remix on Monday.
Walker will come off the bench during Sunday's game against the Suns.
Walker contributed two points (1-5 FG), three rebounds and one assist across 11 minutes during Wednesday's 121-114 loss to Indiana.
Walker amassed 15 points (5-9 FG, 0-2 3Pt, 5-5 FT) and six rebounds over 19 minutes during Monday's 111-98 loss to the Kings.
Walker (ankle) will be available for Wednesday's regular-season opener against the Warriors, Sean Highkin of RoseGardenReport.com reports.
Walker (ankle) didn't play in Friday's 124-86 preseason loss to the Jazz.
Portland general manager Joe Cronin said Monday that Walker (knee) will be ready for training camp, Sean Highkin of RoseGardenReport.com reports.
Walker (knee) is inactive Sunday versus Sacramento.