Career
Ristilä played an important role in the Drogheda midfield and sometimes played up front. He has represented the Finland national side on two occasions. Before he joined Drogheda Ristilä played for MyPa, South Carolina Neukirchen, Football Club Zwolle and Football Club.
He played three seasons with Zwolle in the Dutch Eerste divisie.
In December 2008 he returned to Football Club and signed a contract to 30 December 2011. He has played 247 games in the Veikkausliiga.