Career
His current club is Framasil Cucine Pineto in Italy First Rate (at Lloyd's)-league. Early career
Hietanen started his career with Vilppula Tähti. After that he moved to Tampere and started study in Varala Sport High School.
At the same time he played on the youth national team
Finland league
Hietanen played his first season in the Finland volleyball league season of 2000-2001. His club was Tampereen Isku-Volley.
After one season in Isku-Volley he made a two-year contract with Salon Piivolley. During season 2001-2003 Hietanen played in Piivolley, but when his contract ended he came back to Tampereen Isku-Volley.
The media chose him after the season for the league All-Stars team
After this season he made a contract with Sempre Volley Padova. Professional career
Hietanen made a longer three-season contract with Sempre Volley Padova. On the same club were two Finnish setters, Mikko Esko and Simo-Pekka Olli.
Hietanen"s first season in Padova was difficult.
German opposite-player Christian Pampel was team leader opposite player and Matti was forced to second opposite player role. After season Padova rented him to the France Pro A-league.
He played season 2006-2007 in Avignon Volley. When the season ended Avignon fell to France Pro B-league.
After the season Hietanen came back to Italy and made a contract with Mantova Volley.
He was a rented player in Mantova because Padova still had his license. He played a good season in Mantova Volley. During season 2008-2009 Hietanen played in Framasil Cucine Pineto in the Italy First Rate (at Lloyd's)-league.
Hietanen played his first national team game in the 2004 season.
During season 2005 he got a good opportunity when the national team needed a new opposite player. Before that time, Hietanen had only played wing-spiker but he changed roles and became the team opposite player.
His team took fourth place in the European Championships 2007. 2000-2001 Tampereen Isku-Volley
2001-2002 Salon Piivolley
2002-2003 Salon Piivolley
2003-2004 Tampereen Isku-Volley
2004-2005 Tampereen Isku-Volley
2005-2006 Sempre Voley Padova
2006-2007 Avignon Volley
2007-2008 Top Team Mantova.