Dallas Stars center Stu Barnes has announced his retirement, ending a 16-year playing career in the National Hockey League. The Stars said Thursday that the 37-year-old Barnes has agreed to a 2-year contract to join Dave Tippett's coaching staff as an assistant. Barnes amassed 261 goals and 336 assists for 597 points in his 1,136-game NHL career, 329 of those games coming with the Stars.