Atalanta have confirmed forward Ademola Lookman has joined Atlético Madrid.
It comes after Atlético said on Sunday they had reached a deal with the Serie A side to sign the Nigeria forward.
"The agreement is subject to passing his medical and agreeing and formalizing his contract," Atlético said, without giving further details.
On Monday, Atalanta realeased a statement saying: "Atalanta BC announce the permanent transfer of Ademola Lookman to Atlético de Madrid.
"The 28-year-old Nigerian international departs the Club after a three-and-a-half-season stint in Nerazzurri colours."
The 28-year-old played for Fulham and Leicester before joining Atalanta in 2022. He also previously played for RB Leipzig and Everton.
Lookman scored three goals for Nigeria in the Africa Cup of Nations, where his team finished third after losing to Morocco in a shootout in the semifinals.
Atlético are third in LaLiga, nine points behind second-place Real Madrid and 10 points behind leaders Barcelona after 22 matches.
Diego Simeone's side faces Club Brugge in the Champions League playoffs later this month.
Information from The Associated Press was used in this report.