Career
Reini, who was a versatile right sided player who played both in defence and in midfield, started his Veikkausliiga career in Finland with VPS Vaasa in 1996. In 1998 he moved to K.R.C. Genk in Belgium. In 2002 Reini moved to Arizona Alkmaar.
Reini was plagued by a lot of injuries in recent years which limited his appearances for both club and for the Finland national football team
Reini was appointed as sporting director of his former club, Vaasan Palloseura in autumn 2008, but quit his job after one season.