On June 1, 2011, Sjögren as a free agent to a two-year contract, reportedly worth 1.8 million dollars, with the Washington Capitals.

In November 2011, Sjögren elected to return to Sweden, allowable by his contract, after becoming displeased with the Capitals for not calling him up from the Hershey Bears for an extended period of time.

"[3] On April 10, 2012, Sjögren however, was recalled from Sweden by the Capitals for the 2012 Stanley Cup Playoffs to be added to the practice squad.

After two largely unsuccessful seasons in North America within the Capitals organization and without seeing NHL action, Sjögren returned to the Swedish Hockey League (SHL), signing a three-year contract with Linköpings HC on May 16, 2013.

On April 28, 2018, Sjögren as a free agent opted to return home to original club, Rögle BK of the SHL, agreeing to a four-year contract.