Diego Costa will miss Atletico Madrid's Champions League opener against Bayern Munich after the La Liga club confirmed on Monday that the striker had suffered a thigh injury.
In a statement, Atletico said that tests "confirmed he has suffered a muscle injury in the left thigh", meaning that he will not play in Wednesday's trip to Bavaria.
Atletico did not specify for how long the 32-year-old would be absent due to the knock, which forced him off the field during his side's 2-0 win at Celta Vigo on Saturday.
The Brazil-born Spain international's place alongside summer signing Luis Suarez in the Atletico attack is likely to be filled by Joao Felix for the match at the Alianz Arena.
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European champions Bayern Munich and Qatari side Al-Duhail, who qualify through being hosts, are the only teams yet confirmed for the competition with other continental tournaments around the world delayed by the coronavirus.
Erling Braut Haaland netted four goals and Youssoufa Moukoko became the youngest player in Bundesliga history on Saturday as Borussia Dortmund routed Hertha Berlin 5-2 to trim Bayern Munich's lead at the top of the table to just a point.
A quick look at key points in European football over the weekend across LaLiga, Ligue 1, Serie A and Bundesliga.