Waived off IR
Grimble (calf) reached an injury settlement with the Steelers on Friday per the NFL communication's official transaction report.
Headed to IR
Grimble (calf) has been placed on IR.
Status for Week 4 murky
Coach Mike Tomlin said Wednesday that he considers Grimble "questionable" for Monday's game against the Bengals, Dale Lolley of DKPittsburghSports.com reports.
First catch this season
Grimble caught one of two targets for three yards in Sunday's 24-20 loss to San Francisco.
Catchless in loss
Grimble was targeted during Sunday's 28-26 loss to Seattle, but did not record a catch.
Set back by ugly drop
Grimble got the start and caught one of three targets for 13 yards in Saturday's preseason win over Kansas City.
Exits practice with injury
Grimble sustained an undisclosed injury during Monday's practice, Dale Lolley of DKPittsburghSports.com reports.