Sami Aittokallio (born 6 August 1992) is a Finnish professional ice hockey goaltender who currently plays for Bietigheim Steelers of the Deutsche Eishockey Liga (DEL). He has formerly played with the Colorado Avalanche of the National Hockey League (NHL) Playing career Aittokallio was selected in the fourth round, 107th overall by the Colorado Avalanche in the 2010 NHL Entry Draft. Despite ranked as the number one European Goalie before the draft, he was the seventh goaltender taken. In the 2009–10 season, Aittokallio made his debut in the SM-liiga as a 17-year-old playing in one game for Ilves. As well as representing Ilves in junior, Aittokallio spent a portion of the season on loan with Lempäälän Kisa in the Mestis league. On 12 April 2010, Aittokallio signed a two-year contract extension to remain with Ilves, his original team as a youth. In each season, he continued to split the year between Ilves youth team, LeKi and in the 2010–11 SM-liiga season, he played a career high 16 games for 5 wins. After fulfilling his junior eligibility and his commitment to Ilves, Aittokallio was signed to a three-year entry level contract with the Avalanche on 11 May 2012. After 26 games with the Monsters, Aittokallio received his first NHL recall to the Avalanche during the lockout shortened 2012–13 season, to fill the back-up position after an injury to starting goaltender Semyon Varlamov on 9 April 2013. On 11 April 2013, he made his NHL debut against the Los Angeles Kings, becoming the youngest since Marc Denis to start for the Avalanche. Aittokallio failed to complete the game after suffering from dehydration with the game tied midway through the third period, and was replaced in the eventual shootout loss by veteran Jean-Sébastien Giguère. In the 2014–15 season, Aittokallio suffered from injury and indifferent form, playing with the Monsters and the Fort Wayne Komets of the ECHL. Despite being tendered a qualifying offer by the Avalanche, Aittokallio opted to return to Finland to further his development in signing a two-year contract with Liiga club, Oulun Kärpät on 2 July 2015. Later in the off-season on 25 August 2015, it was announced that Aittokallio agreed to a one-year contract to keep within Avalanche organization, with a European clause allowing the continuance of his contract with Kärpät. After two seasons with Kärpät, Aittokallio left the club and Finland in signing a one-year deal with Czech club,