Toronto exercised Walter's team option Tuesday, per Blake Murphy of Sportsnet.ca.
The Raptors exercised their third-year team option on Murray-Boyles' contract Tuesday, Vivek Jacob of the Raptors' official site reports.
Bittle (foot) is out for Wednesday's regular-season opener against the Bulls.
Dybantsa (ankle) will not debut Wednesday against the Bucks, Josh Robbins of The Athletic reports.
Head coach Brian Keefe said Sunday that Dybantsa is day-to-day with an ankle sprain, Kyle Williams of the Chicago Sun-Times reports.
Jackson-Davis produced 23 points (4-5 FG, 15-16 FT), three rebounds, one steal and four turnovers across 29 minutes in Friday's 129-125 preseason loss to the Pistons.
Sarr tallied 12 points (4-7 FG, 0-1 3Pt, 4-4 FT), nine rebounds, one steal and one block in 26 minutes in Friday's 107-106 preseason loss to the Pelicans.
George logged 14 points (5-7 FG, 3-5 3Pt, 1-2 FT), three rebounds, one assist, one steal and two blocks over 27 minutes during Friday's 107-106 preseason loss to the Pelicans.
Davis generated 14 points (6-14 FG, 0-2 3Pt, 2-4 FT), 11 rebounds, one assist, one steal and two blocks over 27 minutes during Friday's 107-106 preseason loss to the Pelicans.
Middleton amassed five points (2-6 FG, 0-2 3Pt, 1-2 FT), four rebounds and three assists across 14 minutes in Friday's 107-106 preseason loss to the Pelicans.
