Martin was waived by the Lions on Monday, Dave Birkett of the Detroit Free Press reports.

Martin signed a contract with the Lions on Saturday.

Martin was released by the 49ers on Tuesday.

Martin signed a two-year contract with San Francisco on Tuesday, Matt Barrows of The Sacramento Bee reports.

Martin was released by the Patriots, Jeff Howe of the Boston Herald reports.

Martin limped off early in the fourth quarter of Thursday's preseason finale against the Giants with an unspecified injury, ESPN's Mike Reiss reports.

Martin (undisclosed) is in uniform and will play Friday against the Panthers, Jeff Howe of the Boston Herald reports.

Martin (undisclosed injury) participated in individual drills Monday, ESPN.com reports.

Martin (undisclosed injury) did not play in Thursday's preseason game against the Bears.

Martin has signed a two-year, $3 million contract extension with the Patriots, ESPM.com reports.