The Jags have added some depth to their offensive line, as today they signed guard Chris Liwienski, who last season played 14 of 16 games with the Dolphins.  The 32-year-old is entering his 10th NFL season.  He played his first eight years with Minnesota, and then moved to Arizona before playing last season in Miami with the 1-15 Fins.  He was a 7th round pick of the Lions in the 1998 draft.  The team also waived QB Paul Smith, who they signed back as an undrafted free agent in April.