Due to the severity of the injury, an operation is required following the immediate treatment in Columbia. This will be performed by a specialist in Madrid by agreement with Bayer 04, Arias and Atlético. The 28-year-old Arias is expected to fly from Colombia to Spain in the middle of next week.
“This serious injury hits us hard and affects everybody. Santiago is a great character and has joined us with great ambition and it’s a bitter blow for him,” declared sporting director Simon Rolfes. “Like Atlético Madrid, we will do everything we can to support Santiago in his recovery. After the operation and his return to Leverkusen, he will be looked after by us during his rehab. Our medical section and the whole club are behind him so that he can return fully fit as soon as possible.”
“I can’t describe how I feel. I’d be lying if I said I’m doing alright but I don’t want to maintain the opposite. I’m sad about the situation,” Arias said on Instagram on Saturday. “This is another test to overcome and it will make me stronger. I promise to work hard to get back quickly and stronger and be able to wear the colours of Colombia and my club Bayer 04 Leverkusen again.”
The fourth European away trip of the season in the UEFA Champions League 2025/26 takes the Werkself to the Greek capital. Head coach Kasper Hjulmand's team are away to Greek double winners Olympiacos on matchday seven in the UCL league phase. The match at the Karaiskakis Stadium is on Tuesday, 20 January (kick-off: 21:00 CET). We'll be taking you on a trip to Athens and reporting on the Werkself close-up...
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A great honour for Bayer 04 Women's German international: as part of the 2025 Sports Awards, Carlotta Wamser entered her name into the City of Leverkusen's Golden Book. On Tuesday, she looked back on a special year in a talk in the Morsbroich Castle hall of mirrors.
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It was a disappointing night in Athens: The Werkself lost 2-0 away to Olympiacos on Matchday 7 in the league phase of the 2025/26 UEFA Champions League campaign. In a match that was intense and fiery from the outset, the high-pressing home side made the better start and took the lead through Costinha on two minutes. Although the Werkself had a number of chances to equalise, the clinical Greek side increased the lead to 2-0 shortly before half-time (45+1’). In the second half, Leverkusen once again gave their all and showed total commitment but, despite their best efforts, the Black and Reds were unable to break down the Olympiacos defence on the night.
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Bayer 04 Leverkusen have agreed a loan deal with Bundesliga club Borussia Mönchengladbach for Argentinian striker Alejo Sarco. The 20-year-old joins Mönchengladbach with immediate effect for the rest of the season.
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The Werkself are away to Greek double winners Olympiacos on matchday 7 in the league phase of the 2025/26 UEFA Champions League campaign. Tonight, 20 January (kick-off: 22:00 local time/21:00 CET), Bayer 04 will not only face a familiar face in Panagiotis Retsos, but also an experienced and successful team in their Greek top-flight opponents. The Olympiacos midfield and forward line in particular are peppered with seasoned veterans from top European clubs - but even they will first have to find solutions against the Werkself defence that has recently performed with aplomb in the UCL. The matchday news.
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