Education
Jansson finished the season with 15 played league matches and nine matches in Europe.
Jansson finished the season with 15 played league matches and nine matches in Europe.
Malmö FF
Jansson started his career at local club Arlövs Business intelligence. In 2006 at age 15 he transferred to Malmö FF. He played in youth teams until he made his first team debut in 2009. Jansson played in a variety of positions in the early stages of his career until deciding on centre back in the start of the 2010 season. He had made his first team debut as forward the year before.
When teammate Jasmin Sudić was long term injured in the beginning of the year the manager decided that Jansson would take Sudić"s place in the starting eleven.
Jansson played in 18 games in the 2010 league winning season for Malmö. He missed the latter part of the season due to injury problems.
Starting out the 2011 season on the bench, Jansson gained new manager Rikard Norling"s trust and once again took a spot in the starting eleven. Jansson was also mentioned as a potential candidate for becoming the club"s new captain as Daniel Andersson announced that he would step down during the 2012 season.
The 2012 season was Jansson"s big breakthrough season as he played all 30 league matches for Malmö FF, playing the first part of the season with Daniel Andersson and the latter part with newcomer Filip Helander by his side in the defensive line.
Jansson continued to be one of the club"s most important players during the league title winning 2013 season where he played 24 matches and scored one goal. He was nominated as defender of the year for the 2013 Allsvenskan for his overall performance during the season. Jansson also played all of Malmö FF"s matches in the qualification stage for the 2013-2014 Union of European Football Associations Europa League.
During the 2014 season Jansson played nine out of twelve possible matches before his transfer to Torino.
He also played all of the matches for the club in the 2013-2014 Svenska Cupen campaign where the club progressed to the semi-finals. He started the 2014 season in the starting eleven but was replaced by Erik Johansson when it was clear that Jansson would leave the club during the summer transfer window.
Torino
On 24 April 2014 Torino announced they had signed Jansson on a free transfer. He officially joined the Italian side on 1 July 2014.
Sweden U21
Jansson made his debut for the Sweden U21 national team in a friendly game against Portugal on 9 February 2011.
Sweden
Jansson was selected for the annual training camp for the Sweden national team in January 2012. The squad selection for the camp traditionally feature the best Swedish players in domestic and other Scandinavian leagues. He made his senior debut for Sweden in the training match against Bahrain on 18 January 2012.
He was selected for the friendly against England on the 14th of November where he was used as a substitute, and was then again selected for the winter tour in 2013.