
After winning the Middle Rhine championship, Bayer 04, with Rummel at the helm, beat Union Solingen and Arminia Hannover in the promotion play-offs to move up to Germany's second tier – establishing the base for promotion to the Bundesliga four years later.
Manfred Rummel's main job was as a PE teacher at the Essen Special School for children with learning disabilities. After his stay at Bayer 04 , he went on to coach ETB Schwarz-Weiß Essen and Rot-Weiß Oberhausen. At both clubs he went on to be a member of management after his coaching roles: CEO at Essen, general manager and vice-president at Oberhausen. As a player, Manfred Rummel was a successful striker at Schwarz-Weiß Essen and in 1959 he played a significant part in the biggest success in the club's history in winning the DFB Cup. He scored both goals in the 2-1 semi-final victory over Hamburg SV and he also netted a brace in the 5-2 win in the final against Borussia Neunkirchen. In 1961/62 Manfred Rummel was the top scorer in the Oberliga West - the top tier in German football at the time - with 26 goals.

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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