Simpson signed a second 10-day contract with the Grizzlies on Tuesday.

The Grizzlies are signing Simpson to a 10-day contract Friday, Adrian Wojnarowski of ESPN reports.

Simpson was waived by the Pistons on Saturday, Mike Curtis of The Detroit News reports.

The Pistons signed Simpson to an Exhibit 10 Deal on Thursday, James L. Edwards III of The Athletic reports.

Simpson recorded 13 points (4-5 FG, 1-1 3Pt, 2-2 FT), 10 assists, four rebounds and one steal across 31 minutes during Sunday's 115-112 loss to the G League Celtics.

Simpson recorded 22 points (8-11 FG. 2-2 3Pt, 3-5 FT), six assists, three rebounds and one steal across 27 minutes during Friday's 136-133 overtime loss to the Swarm.

Simpson recorded 23 points (9-14 FG, 1-2 3Pt, 2-3 FT), 10 assists, four rebounds and three steals across 42 minutes during Saturday's 109-108 win over the G League Bulls.

Simpson recorded 25 points (9-18 FG, 2-4 3Pt, 3-3 FT), 16 assists and seven rebounds across 41 minutes during Monday's 131-116 win over the Skyhawks.

Simpson recorded 25 points (10-16 FG, 3-5 3Pt, 1-1 FT), five assists, three rebounds, seven steals and one block across 35 minutes during Wednesday's 133-102 loss to the Blue.

Simpson recorded 24 points (9-15 FG, 5-8 3Pt, 1-4 FT), 12 assists and eight rebounds across 47 minutes during Tuesday's 132-130 overtime loss to the Hustle.