sentences:  He was later diagnosed with a concussion, along with dental and facial fractures.On 24 July 2014, Eller signed a four-year, $13 million contract extension with the Canadiens.After six seasons, Eller's tenure with the Canadiens came to an end at the 2016 NHL Entry Draft, as he was traded to the Washington Capitals in exchange for two second-round picks in 2017 and 2018 on 24 June 2016.