
Puerta was signed from Bogotá FC in January 2023 and initially loaned to FC Nürnberg in Bundesliga 2. Puerta made ten appearances for the Werkself in the Bundesliga and the Europa League in 2023/24.
"Gustavo will continue to progress, he's a very talented player as a six or a number eight," said Bayer 04 sporting managing director Simon Rolfes. "We think he will develop really well at Hull."

Bayer 04 and main sponsor BarmeniaGothaer have shown great commitment to the community as the sale of custom-designed T-shirts for charity in the Fanwelt as part of the “BarmeniaGothaer Brings Joy campaign raised a good €5,000. Bayer 04 matched this sum with an equal contribution. As a result, a total of €10,000 was presented to Edmond Tapsoba for his foundation ahead of the home match against Hamburg. The foundation supports people facing challenging daily circumstances in his home country of Burkina Faso.
Show more
Bayer 04 host Hamburg at the BayArena for the first time since September 2017 on the final day of the 2025/26 Bundesliga season on Saturday (15:30 CEST). HSV are safe in their first campaign back in the top flight after back-to-back wins, but Leverkusen are unbeaten in their last 19 games against promoted teams as they go for the victory they need to have a chance to qualify for the UEFA Champions League. There’s also heavy discounts on food and drinks at the BayArena. Here’s all you need to know ahead of the Matchday 34 fixture in our matchday news.
Show more
As well as previously confirmed departures, Bayer 04 Women will also say goodbye to Vanessa Haim and Shen Menglu before Sunday’s final game of the season at home to Werder Bremen as the pair leave Leverkusen upon the expiration of their contracts.
Show more
The last competitive match of the 2025/26 season takes place at the BayArena on Saturday 16 May (kick-off 15:30 CEST), where Hamburger SV are the visitors. At the pre-match press conference, head coach Kasper Hjulmand discussed the mindset and the approach for the crucial final game against HSV, among other topics.
Show more