Johnson was placed on the practice squad injured list Saturday.

Johnson agreed to terms with the Dolphins on Thursday.

Seattle signed Johnson to its practice squad Wednesday, John Boyle of the Seahawks' official site reports.

Johnson (pectoral) was working out with Seattle Tuesday, Aaron Wilson of ProFootballNetwork.com reports.

Johnson (pectoral) was moved to injured reserve Tuesday.

Johnson suffered a torn pectoral during Sunday's contest against the Raiders and will be sidelined for the rest of the season, Mike Klis of 9News Denver reports.

Johnson will get an MRI on Monday to confirm the nature of what appears to be a pectoral injury, Mike Klis of 9News Denver reports

Johnson (chest) has been ruled out of Sunday's game against the Raiders.

Johnson made eight tackles (five solo) during Sunday's 23-7 loss to the Ravens.

The Broncos placed a second-round tender on Johnson on Tuesday, Ryan O'Halloran of The Denver Post reports.