Olof Mattias Jonsson (; born 16 January 1974) is a Swedish former professional footballer who played as a winger. Starting off his career with Örebro SK in the early 1990s, he went on to represent Helsingborgs IF, Brøndby IF, and Norwich City before retiring at Djurgårdens IF in 2011. A full international between 1996 and 2006, he won 57 caps and scored nine goals for the Sweden national team. He represented his country at the 2002 FIFA World Cup, UEFA Euro 2004, and the 2006 FIFA World Cup. Club career Early career Born in Kumla, Jonson started playing youth football with IFK Kumla and Karlslunds IF. He moved to Örebro SK in 1992, where he got his senior debut in the top-flight Allsvenskan championship. He moved to league rivals Helsingborgs IF in 1996. He won the 1999 Allsvenskan championship with Helsingborg, before leaving the club at the end of the 1999 season. Brøndby IF Jonson moved abroad to join Danish club Brøndby IF in the Danish Superliga championship. He was brought in by Brøndby's new manager Åge Hareide, and Jonson played several games as a striker, before settling as a left-sided winger. He showed his goalscoring abilities for Brøndby on a number of occasions. In the 2001–02 UEFA Cup tournament, Brøndby had lost 3–1 away to Croatian club NK Varteks. In the return game, Jonson scored a hat-trick which guided Brøndby to a 5–0 victory and advancement in the tournament, on a 6–3 aggregate. Jonson also scored a hat-trick in an April 2002 Superliga game, when Brøndby won 5–0 against Akademisk Boldklub, and helped the club win the 2001–02 Superliga championship. He was Brøndby's league topscorer with 11 goals in the 2002–03 Superliga season, and helped the club win the 2003 Danish Cup trophy. Norwich City After the 2004 European Championship, Jonson looked to leave Brøndby. In August 2004, he moved to England and joined the newly promoted Premier League side Norwich City. He transferred from Brøndby for an undisclosed fee, which was believed to be around £850,000. He struggled to make an impact in the Premier League, and left Norwich after one season. Return to Sweden In 2005, he returned to Sweden to play for Djurgårdens IF. In his first season with the club, he helped Djurgårdens IF win the Double of both the 2005 Allsvenskan and Svenska Cupen trophies. He started the tournament as a substitute, but was