Everton's Bolasie ruled out for up to a year

Britain Soccer Football - Burnley v Everton - Premier League - Turf Moor - 22/10/16 Everton's Yannick Bolasie celebrates scoring their first goal Reuters / Anthony Devlin Livepic

LONDON (Reuters) - Everton winger Yannick Bolasie will miss the rest of the season with a knee injury and could be out for a year, manager Ronald Koeman said on Wednesday.

The 27-year-old, who joined from Crystal Palace in August, injured his anterior cruciate ligament during Everton's 1-1 draw with Manchester United on Dec. 4.