Harris was signed to bolster the depth chart after Dwight Lowery suffered an ankle injury against the Chicago Bears in Week 5 and is expected to be out 2-3 weeks.
Harris, 30, played in 11 games with the Bears and Lions in 2011. He was a second-team All-NFL for his second stint in Chicago in 2010. He had 50 solo tackles in 16 games for the Bears that season.
Rutland, 23, made three tackles in three games for Jacksonville this season.