Courtney Lee went to the locker room on Friday for what appears to be a concussion.
Courtney Lee hit 5-of-11 shots and two 3-pointers for 14 points, three assists, two steals and a block in a start in Wednesday's opener.
Courtney Lee (ankle) will not play on Wednesday.
Courtney Lee will open the season in the Grizzlies' starting lineup, according to head coach Dave Joerger.
Courtney Lee turned his left ankle in Monday's exhibition and did not return.
Courtney Lee tweaked his left ankle and right thumb during Monday's game vs. the Thunder, but he kept playing to finish with 16 points, three rebounds and one assist in 42 minutes.
Courtney Lee climbed out of the abyss in Monday's win, scoring 19 points on 6-of-12 shooting (including three treys) with seven rebounds and three assists in 34 minutes.
Courtney Lee started at shooting guard again on Wednesday but missed both his shots and failed to score in 19 minutes.
Courtney Lee hit rock bottom in Monday's win over the Wolves, missing his only field goal attempt to finish with zero points, two boards and three assists in 21 minutes.
Courtney Lee hit just 2-of-3 shots and zero 3-pointers for four points, two rebounds and zero assists in Saturday's win.
Courtney Lee scored 12 points on 4-of-14 shooting (including two threes) with one rebound, one assist and three steals in 32 minutes on Friday.
Courtney Lee hit 3-of-6 shots and zero 3-pointers for six points and four rebounds in Saturday's win over Philly.
Courtney Lee hit just 1-of-6 shots for four points, two rebounds, one assist and one steal over 23 minutes on Wednesday against the Pelicans.
Courtney Lee made another start and hit 7-of-12 shots and a 3-pointer for 16 points and a steal in 25 minutes on Tuesday.