The 27-year-old ruptured his cruciate ligament during the match against Manchester United last weekend.
And the injury, which was expected to keep him out for the remainder of the season, is worse than first thought.
The Mail claim that Yannick Bolasie may not return until this time next year.
And Everton fans are cursing their luck.
Click through the gallery above to see some of the reaction to Yannick Bolasie’s injury.