Official: Parma sign Diallo from Borussia Dortmund
Quick summary
Parma have completed the signing of Diallo from Borussia Dortmund, a Spain U19 European Championship winner.
Full article
Attributed to original sourceParma have officially bought Ousmane Diallo from Borussia Dortmund, securing the Spain Under-19 international talent, signing a contract to 2031.
According to Sky Sport Italia, the cost of the transfer is believed to be around €1.5m.
Primarily a left-sided attacking winger, but also able to play on the right, Diallo was born in Gran Canaria and has dual Spanish and Senegalese citizenship.
Diallo new talent for Parma DORTMUND, GERMANY – JULY 28: (L-R) Jobe Bellingham challenges Ousmane Diallo during a training session of Borussia Dortmund after resume of summer break at Training Ground Hohenbuschei on July 28, 2025 in Dortmund, Germany. (Photo by Christof Koepsel/Getty Images) He represented Spain throughout all the youth levels, making a big mark for the Under-19 side with five goals and one assist in 11 caps.
Diallo was part of the side that won the European Under-19 Championship earlier this month, scoring in three different games on their way to the trophy.
Coming through the Las Palmas and Alaves youth academies, he moved to Borussia Dortmund in 2023 and now will launch his Italian career at Parma.
The winger put pen to paper on a contract at the Stadio Tardini to June 2031.
It’s time to welcome Ousmane to Parma
Ousmane Diallo Thiao begins his Gialloblù journey with a special moment with Karim, one of the children from the All Inclusive project pic.twitter.com/038QYy6tHB
— Parma Calcio 1913 (@ParmaCalcio_en) July 31, 2026
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What happened
Parma have officially completed a transfer for Diallo from Borussia Dortmund. The player is notably a UEFA U19 European Championship winner with Spain, highlighting his pedigree at youth international level. The move represents a young talent acquisition for Parma, while Dortmund offload a prospect from their academy system. Specific transfer terms were not detailed in the headline, but the announcement is official.
Chance analysis
This is an official youth-level transfer with limited immediate impact on top-flight prediction models, but it strengthens Parma's development pipeline with a player who has proven international youth pedigree. For Dortmund, losing a Spain U19 European champion reflects the high churn rate of their youth development model. The signing could provide Parma with squad depth if Diallo breaks into the senior rotation.
Parma add a Spain U19 European champion to their squad; Borussia Dortmund lose a youth prospect.
Factor in a potential new young signing for Parma's squad depth in upcoming Serie A matches, though immediate impact may be limited.