Career
He played as a striker. Kottila spent the vast majority of his career playing in Nordic countries joining RoPS in 1992. He had a spell on loan at Hereford United during the 1996-1997 season.
He made 13 league appearances, scoring 1 goal.
He then joined HJK Helsinki for the second of three spells, having previously played for the club during the 1994 season. He made 157 appearances and scored 56 goals for the club during his three spells.
The top moment of his career came when he scored two goals in Union of European Football Associations Champions League 1998. He moved to Norway to play for Saskatchewan Brann where he was in the 1999 season, and then Sweden to play for Trelleborgs FF. A third spell at HJK followed between 2002–2004.
He also featured in the 2004 Union of European Football Associations Champions League playing against the likes of Linfield and Maccabi Tel Aviv F.C. in the qualifying rounds.
In 2005 and 2006 he was playing for Football Club Lahti in the Finnish Premier Division. He was capped 31 times for Finland, scoring 6 goals between 1998 and 2004.