It's official: Chelsea signed Charlton's 18-year-old centre-forward, Birsto, and returned on loan until the end of the season

Chelsea have officially announced that they have signed 18-year-old striker Mason Burstow from League One side Charlton, who will continue to play for Charlton on loan for the rest of the season.

So far this season, Bosso has made 14 appearances for Charlton's first team, contributing 6 goals and 2 assists. Boss will continue to grow on loan to Charlton, who are currently 14th in the league.

（mageth）