Stanley, 22, is 6-foot-5 and appeared in 24 games with the Pacers last season after being selected with the No. 50 overall pick out of Duke in the 2020 draft.
Walton, 26, is 6-0 and has spent time with the Heat and Clippers since going undrafted out of Michigan in 20917.
Cunningham, 30, is 6-4 and has extensive experience in the NBA and the G League. He has played for the Mavericks, Hawks, Kings, Clippers, Cavaliers and Bucks, as well spent time overseas.
All three players could join the Motor City Cruise, the Pistons’ affiliate in the G League.