Campbell (knee) was placed on IR on Tuesday.

Campbell will undergo an MRI on the knee he injured during the Titans' 30-27 preseason win over the Saints on Sunday, Jim Wyatt of the Titans' official site reports.

Campbell is questionable to return to Sunday's preseason game against the Saints due to a knee injury, John Glennon of NashvillePost.com reports.

Campbell (undisclosed) was spotted participating in the Titans' minicamp session Wednesday, Nick Suss of The Tennessean reports.

Campbell (undisclosed) suffered an injury during pregame warmups and has since been ruled out ahead of Sunday's game against the Buccaneers, Jim Wyatt of the Titans' official site reports.

Campbell was waived by the Titans on Wednesday, Adam Schefter of ESPN reports.

Campbell is back on the field after recovering from a knee injury, Jim Wyatt of the Titans' official site reports.