"We are happy to go into the new season with these two top people," said Simon Rolfes, currently sporting director and from 1 July sporting managing director at Bayer 04. "We want to keep on improving in all areas and work at the highest level. That also obviously includes the area of fitness, which is of crucial importance in professional football."
Ismael Camenforte Lopez joined Leverkusen in the summer of 2021. After studying at the University of Barcelona the 38-year-old Spaniard worked as fitness coach at FC Barcelona for seven years plus 18 months at the MLS club New York City FC. The Catalan returned to Europe from the USA in August 2020 to work as a fitness coach with Denmark.
Markus Müller has joined Leverkusen from Borussia Mönchengladbach. The 36-year-old worked as a fitness coach with the Foals for six years. Müller, who completed his bachelor degree at the German Sports University in Cologne, previously worked in a similar position at the Borussia Dortmund academy for two years.
Midfielder Ruby Grant is leaving Bayer 04 Leverkusen and joining Portuguese runners-up Sporting CP a year before her contract expires. The 24-year-old has been at the Werkself since January 2025.
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Bayer 04 have loaned Brazilian full-back Arthur to Bundesliga side Werder Bremen for one year. Arthur Augusto de Matos Soares – the full name of the right-back – has a contract with Leverkusen until 30 June 2031. At Werder, the 23-year-old is expected to make an impact and help the long-established club further consolidate their position in the Bundesliga.
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Bayer 04 have loaned defender Jeanuel Belocian to Spanish top-flight side Racing Santander. The 21-year-old defender joins the team currently ninth in La Liga until the end of the current 2026/27 season. Belocian’s contract remains valid until 30 June 2029. Last season, the 1.86-metre-tall U21 international was loaned to VfL Wolfsburg for six months.
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He knows the dressing room, the pitch and the club. But, above all, he knows the feeling of playing for the Werkself at the BayArena: Moussa Diaby is back in Leverkusen after three years. The lightning-fast winger has signed a contract with Bayer 04 until 2031 and he will once again wear the number 19 jersey. The left-footed player previously played for the club from 2019 to 2023, having arrived in the Rhineland from his native France as a promising young talent and eventually leaving the club – having established himself as one of the Bundesliga’s best attackers – to join Aston Villa in the Premier League. Now he has returned to Bayer 04 from Al-Ittihad FC in Saudi Arabia.
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