Speed kills: will Demps’ signing knock off Edelman or Woodhead from the Patriots?

Julian Edelman and Danny Woodhead should be looking over their shoulders starting this week as the New England Patriots have signed former Florida Gator running back/kick returner, Olympic Silver Medalist and track star Jeff Demps to a three year contract, ESPN reported late Friday night The Patriots hope that Demps can aid the return game with his speed and elusiveness, which last year was subpar in both punt (ranked 16th in the NFL with an average of 10.2 yards) and kickoff (29th return at 21.4 yards). At Florida he averaged 18.5 yards per punt and 28.8 on kickoffs with a touchdown. Additionally Demps can help offensively as well.  In his career at Florida, he rushed 367 times for 2,470 yards (6.7 yard avg.) and 54 catches for 481 yards (8.4 yard avg.) but scored 24 touchdowns (23 rushing, 1 receiving). His one downfall, which he will need to correct to see the field, or remain with the team, is his propensity to let the ball go.  He fumbled 11 times in 424 touches in his ca...