text: The 29-year-old made 260 appearances for the Spireites after joining in July 2009, and played in 38 games last term.
  Talbot started his career at Sheffield Wednesday, and has also had spells with Scunthope, Luton and Plymouth.
  "I've worked with Drew before and he's a fantastic signing," Portsmouth assistant manager Leam Richardson told the Portsmouth website.
  "He's everything that our fans like about a player - he's robust, works hard and is very fit."
  Pompey finished sixth in the League Two table last season, but suffered a 3-2 aggregate defeat by Plymouth Argyle in the play-off semi-finals
  Find all the latest football transfers on our dedicated page.
target: Portsmouth have signed full-back Drew Talbot on a two-year deal following his release by Chesterfield.