Career
Hännikäinen is currently playing with the Lake Erie Monsters in the American Hockey League (AHL) while under contract with the Columbus Blue Jackets of the National Hockey League (National Hockey League). Hännikäinen recorded a break-out season with 19 goals and 27 assists for 46 points with 51 penalty minutes and a +22 plus/minus rating in 60 games with JYP Jyväskylä in the 2014-2015 season. After Hännikäinen"s Liiga team, JYP Jyväskylä was eliminated from the playoffs by Oulun Kärpät it was announced on 20 April 2015 that Hännikäinen had signed a two-year entry level contract with the Columbus Blue Jackets.