
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.”

Whether it's the Lions Club, Teens, Bayer 04 Club or Silver Lions - there was a lot going on again this year in all age-specific members' clubs. We look back on an eventful year with numerous events and many exclusive moments with the Werkself. We take a look at what the year 2025 had to offer for the members of the Bayer 04 Club...
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Bayer 04 host 1. FC Köln at the BayArena in the final home game of 2025 . Today’s match on Saturday, 13 December kicks off at 18:30.30 pm. The Werkself are looking for three points against 1. FC Köln, who are without a win in four games but they do have a shooting star in their ranks up front. The Bayer 04 Volunteering Award will be presented at the derby against the club from Cologne and another fan club will be honoured for many years of loyalty under the Cross. The matchday news.
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The German Football Association (DFB) has officially recognised Bayer 04 as a women’s talent support centre. As announced by the DFB, 1 FC Köln, Union Berlin, RB Leipzig and Hamburger SV are also certified as performance or talent support centres from 1 January 2026 in addition to the Werkself.
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Werkself-TV shows the highlights of the Bayer 04 women's 0-1 loss at Werder Bremen on the 13th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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