Career
He played professionally in his native Finland with Porin Ässät of the Master of Science-liiga. He was selected 16th overall in the 2011 National Hockey League Entry Draft by the Buffalo Sabres. Amateur
Armia would spend three years in Finland, playing with Porin Ässät.
During that time, he would have career totals of 55 goals, 45 assists, for 100 points, with 120 penalty minutes.
In 2012-2013, Armia would score 19 goals and 14 assists in 47 games. He was instrumental in helping Ässät capture the Master of Science-Liiga’s Kanada-malja championship after finishing fourth in the regular season.
In the playoffs, Armia scored three goals with five assists in 16 playoff games. Professional
On 16 June 2012, Armia was signed to a three-year entry, level contract with the Buffalo Sabres.
During his second North American professional season in 2014-2015, Armia was recalled from Buffalo"s American Hockey League (AHL) affiliate, the Rochester Americans, and made his National Hockey League debut with the Sabres against the Detroit Red Wings on 23 December 2014.
He was then returned to the Americans before on 11 February 2015, Armia was included by the Sabres, alongside Tyler Myers, Drew Stafford, Brendan Lemieux and a conditional first-round draft pick in 2015 (Jack Roslovic), to the Winnipeg Jets in exchange for Evander Kane, Zach Bogosian and the rights to goaltender Jason Kasdorf.