Career
Lyyski started his career in IFK Mariehamn he played for seven years, before moving on to Vaasan Palloseura in 2008. On 26 November, he signed on for Swedish side Djurgårdens IF. In March 2012 Lyyski returned to IFK Mariehamn which is managed by his father named Pekka Lyyski. On 18 January 2010 Lyyski made his first appearance at Finnish national football team in friendly match against South of Korea in Málaga, Spain.
He was in the starting line-up and played the whole match.