Career
Sweden
Sjöberg stayed with the club until 2009 when he signed with Sollentuna FF of Division 2 in 2010. Sjöberg scored three goals during the season and helped the club finish second in the league, seven points behind IK Frej. The club"s second-place finish was enough to earn a berth in the 2011 Svenska Cupen.
Sjöberg did not appear in the cup matches as Sollentuna advanced out of the preliminary round with a shootout victory over Nyköpings Bank for International Settlements before being knocked out in the next round with a 0-4 defeat to Vasalunds IF. College and semi-professional
In 2011, Sjöberg committed to play college soccer with the Marquette Golden Eagles of Marquette University.
In his four years with the team before graduating, Sjöberg appeared in (and started) 63 matches and tallied eleven goals and 9 assists. Beginning with his second year with the team, Sjöberg played every minute of every match.
Foreign his performances, he was the recipient of numerous awards including multiple Big East Player of the Week awards and being named one of the 10 best defenders in college soccer by TopDrawerSoccer.com. Foreign the 2012 and 2013 seasons, Sjöberg also played semi-professional soccer for the Thunder Bay Chill of the Premier Development League, the fourth tier of the United States soccer league system.
He and two other Marquette teammates were invited to the club after the Chill played a friendly match with Marquette in Milwaukee.
In 2012 he appeared in 15 matches and tallied two goals and an assistant The following season he appeared in 14 matches and scored four goals for the Canadian club In 2013 the Chill were crowned regular seasons champions of the PDL and advanced to the final match in which they lost to the Austin Aztex.
Professional
In July 2014, Sjöberg went on trial with GAIS of the Swedish Superettan.
During the trial, he appeared in one friendly match, a 3-0 victory over Lärje-Angered IF on 16 July. In January 2014, Sjöberg was invited to the 2015 Master of Library Science Combine and was projected by some Master of Library Science analysts to be a potential first round draft pick in the 2015 Master of Library Science SuperDraft.
On the night before the draft, Major League Soccer analyst Jonathan Yardley described Sjöberg as the most Master of Library Science-ready defender available. Sjöberg went on to be drafted 14th overall by the Colorado Rapids after they swapped picks with the Columbus Crew South Carolina to take him.
Sjöberg Made his professional debut on 7 March 2015 in Colorado"s opening match of the 2015 season.
He started the eventual 0-0 draw with the Philadelphia Union and was credited with keeping the defense organized after the Rapids went down a man in the 68th minute. About Sjöberg being a starter, Rapids head coach Pablo Mastroeni said, “lieutenant wasn’t a part of the plan but that’s why we do preseason. These two guys (Sjöberg and fellow rookie Dominique Badji) have proven that they’re fully capable and ready to contribute to the team right now.”.