Seattle signed Jones to its active roster Friday, John Boyle of the Seahawks' official site reports.
Jones will provide depth at running back with DeeJay Dallas (ankle) listed as questionable for Saturday's wild-card matchup against the 49ers. The undrafted running back out of Notre Dame made four regular-season appearances with the Seahawks this season, totaling 11 touches for 34 yards across 26 offensive snaps.