Released for the second time by the Miami Dolphins this year, Johnson rushed for only two yards on his lone carry this season.
Johnson, 31, has gained 6,221 career yards with 55 touchdowns scored during previous stints with the Kansas City Chiefs and the Washington Redskins.
During the preseason, Johnson rushed for 46 yards on 12 carries.
He did show some burst on a 22-yard touchdown against the Dallas Cowboys.
For more coverage of the Dolphins, go to Dolphin Digest at mia.scout.com.
Follow me on Twitter: @RavensInsi