Bayer Leverkusen have announced that they will be without German midfielder Gonzalo Castro for the rest of the season after he picked up a knee injury in training.
The 27-year-old won't be able to play any part in helping Bayer secure Champions League football for next season.
A statement on the club's official website said: "Bayer go into the final sprint of the season without their midfield ace Gonzalo Castro.
"Bayer's all-rounder retired during training on Wednesday morning with a tear of the medial meniscus in his left knee."
With five games of the season remaining, Leverkusen sit third in the standings, seven points behind second-placed Wolfsburg.
