An X-ray on VanVleet's shoulder came back negative and he's listed as day-to-day ahead of the Raptors' playoff opener against the Wizards on Saturday, Ryan Wolstat of the Toronto Sun reports.
Siakam produced just four points (2-4 FG, 0-1 FT), three assists, two rebounds, one steal and one block in 22 minutes during Wednesday's 116-109 loss to Miami.
Poeltl had 16 points (8-10 FG, 0-1 FT), 12 rebounds, three steals and two blocks in 29 minutes during Wednesday's 116-109 loss to Miami.
Siakam will return to a bench role for Wednesday's regular-season finale against the Heat.
Richardson (wrist) played eight minutes for Raptors 905 in their Game 2 loss to the Austin Spurs in the G League championship series. He finished with two points (0-2 FG, 0-1 3Pt, 2-2 FT) in the contest.
Raptors head coach Dwane Casey said that no players would be rested for the team's regular-season finale Wednesday against the Heat, meaning Nogueira (hamstring) should be available off the bench, Tom D'Angelo of The Palm Beach Post reports.
Lowry posted 11 points (4-8 FG, 3-7 3Pt), nine assists, six rebounds and one block across 26 minutes in Monday's 108-98 win over the Pistons.
Poeltl produced 12 points (6-8 FG), seven rebounds and one block across 23 minutes in Monday's 108-98 win over the Pistons.
DeRozan totaled 16 points (6-12 FG, 2-5 3Pt, 2-2 FT), seven rebounds and three rebounds across 28 minutes across 28 minutes in Monday's 108-98 win over the Pistons.
Valanciunas tallied 25 points (11-13 FG, 1-1 3Pt, 2-2 FT) and nine rebounds across 25 minutes in Monday's 108-98 victory over the Pistons.
Siakam will start Monday's game against Toronto.
Valanciunas will rejoin the starting five for Monday's game against the Pistons, Josh Lewenberg of TSN Sports reports.
DeRozan will rejoin the starting five for Monday's game against the Pistons, Josh Lewenberg of TSN Sports reports.
VanVleet (back) will sit out Monday's game against the Pistons, Arden Zwelling of Sportsnet reports.
Nogueira (hamstring) has been ruled out for Monday's matchup with the Pistons, Arden Zwelling of Sportsnet reports.
Ibaka will sit out Monday's game against the Pistons for rest, Arden Zwelling of Sportsnet reports.
Anunoby posted 21 points (7-10 FG, 5-8 3Pt, 2-3 FT), eight rebounds and one blocked shot in 34 minutes during Sunday's 112-101 win over the Magic.
Nogueira left Sunday's game against the Magic with left hamstring tightness and will not return.
Nogueira will start at center for Sunday's game against the Magic.
Powell will start at shooting guard for Sunday's game against the Magic.
Powell added two points (1-1 FG), two rebounds and one steal during Friday's 92-73 blowout win over the Pacers.
Nogueira did not attempt a field goal and added one block during the Raptors' 92-73 win over the Pacers on Friday.
Anunoby totaled four points (1-3 FG, 1-3 3Pt, 1-2 FT) and one rebound across 21 minutes during Tuesday's 112-106 loss to the Cavaliers.
Siakam registered 10 points (5-10 FG, 0-1 3Pt), five rebounds, four assists and one steal across 23 minutes in Tuesday's 112-106 loss to the Cavaliers.
Van Vleet finished with 15 points (5-7 FG, 3-4 3Pt, 2-3 FT), four assists, one steal and one rebound across 25 minutes off the bench during Tuesday's 114-110 win over the Nuggets.