The Colts released Michael on Monday, Field Yates of ESPNreports.
Michael (illness) was a full participant in Friday's practice and will play in Sunday's game against the Eagles.
Michael has an illness and did not practice Thursday.
Michael is inactive for Sunday's game at Washington.
Michael had two carries for nine yards in Sunday's loss to Cincinnati. He played just three snaps on offense.
Michael has made Indianapolis' 53-man roster.
Michael (concussion) was cleared to return to Thursday's preseason contest at Cincinnati, Andrew Walker of the Colts' official site reports.
Michael has been ruled out of Thursday's preseason game in Cincinnati due to a concussion, Mike Chappell of Fox 59 News Indianapolis reports.
Michael had eight carries for nine yards, including a one-yard touchdown, and one reception for three yards in Saturday's preseason win over San Francisco.
Michael carried the ball seven even times for 21 yards and hauled in one pass for three yards in Monday's preseason game against the Ravens.