Loud cheers rang out five times at the BayArena on Saturday afternoon. Four of them were occasioned by the Bayer 04 fans celebrating the goals – some of which were beautifully worked – scored by a dominant Werkself, whilst the fifth eruption of black-and-red jubilation was prompted by the return of fans' favourite Moussa Diaby. “You can really feel the impact he had here,” said a delighted Managing Director Sports Simon Rolfes about the comeback afterwards. On the pitch, following the commanding 4–0 win over 1. FC Union Berlin, players, coaches and the media were in agreement: that was “the right response” (kicker magazine). The Werkself review of the first Bundesliga home game of the 2026/27 season.