Ole Miss coach Pete Golding said star running back Kewan Lacy is not expected to suit up for Saturday's matchup with No. 21 Florida.
Backup Tyson Bagent returned to practice this week while still working through the NFL's concussion protocol.
Star receiver misses second straight practice ahead of Rams-Giants matchup
Leavitt's status moves from doubtful to questionable for Saturday's primetime rivalry game in Oxford, Mississippi, according to ESPN.
Rookie running back missed New England's season opener with an ankle injury but expressed confidence in his availability for Sunday's matchup.
Wide receiver Rome Odunze expects to play against the Panthers on Sunday despite being listed as questionable with a calf injury.
ESPN reports signs point to Nick Bosa and George Kittle both suiting up for San Francisco's season opener on Thursday.