Sevilla attacker Marko Marin has been ruled out for a month with a hamstring injury.
The 24-year-old, who joined the Spanish outfit on loan from Chelsea in the summer, has impressed in the early stages of his career with the La Liga outfit.
However, the German was forced out of training on Monday after suffering damage to his left thigh, which will keep him out of action for four weeks.
Martin started his career with Borussia Monchengladbach before joining Werder Bremen in 2009.