Club Riski was born in
Masku on 16 August 1989. He played his first game for
Turun Palloseura in the
Veikkausliiga when he was only 16 years old. In January 2011, the midfielder joined Polish club
Widzew Łódź on a three-and-a-half-year contract. On 30 August 2011, he was loaned for six months to
Örebro SK in
Sweden. On 12 September, Riski made his Allsvenskan debut, playing 90 minutes and scoring once against
AIK. On 5 January 2012, he signed a three-year contract with
freshly promoted Hønefoss BK. On 30 December 2013, he signed a four-year contract with Norwegian side
Rosenborg BK. On 5 August 2015, he was loaned for five months to
IFK Göteborg in
Sweden. On 8 January 2016, Riski signed a loan deal with
Scottish Premiership side
Dundee United. He returned to
TPS on 3 February 2023, signing a 2+1 year deal.
International Riski was a member of
Finland national under-21 football team during the
2011 Euro U21 qualifying. He made his senior national team debut on 9 February 2011 against
Belgium. He scored a goal against
Turkey B team in a 0−1 away win on 25 March 2011. Riski turned down a call-up to the Finland squad for a winter training camp and two friendly matches in Qatar during January 2019, citing "ethical reasons and the values I wanted to act upon". ==Personal life==