The Lions signed Long to their practice squad Monday.
Long was released by the Dolphins on Wednesday.
Long (knee) is good to go for Sunday's game against the Colts.
Long (knee) is listed as questionable ahead of Sunday's matchup against the Colts.
Long (hamstring) doesn't carry an injury designation into Sunday's game against the Patriots and is expected to play, Travis Wingfield of the Dolphins' official site reports.
Long (hamstring) is inactive for Monday night's game against the Titans.
Long (hamstring) did not participate in practice Saturday and is listed as doubtful for Monday's game against the Titans, C. Isaiah Smalls II of the Miami Herald reports.
Long (hamstring) remained sidelined for Friday's practice, Marcel Louis-Jacques of ESPN.com reports.
Long (hamstring) is not practicing Thursday, David Furones of the South Florida Sun Sentinel reports.
Long (hamstring) is questionable to return to Sunday's game against the Seahawks.