Columbus Blue Jackets sign forward Boone Jenner to 4-year contract extension

COLUMBUS, Ohio (AP) — The Columbus Blue Jackets have signed forward Boone Jenner to a four-year contract extension.The 25-year-old Dorchester, Ontario, native has been a stalwart presence in the emergence of the Blue Jackets as a playoff team in the last two seasons.The contract signed Wednesday locks up Jenner through the 2021-22 season. Terms were not disclosed.Jenner had 13 goals and nine assists in 2017-18, a season in which he missed all of training camp and the first seven games of t