Arsenal have signed Germany forward Kai Havertz from Chelsea on a five-year deal for £65m.
The 24-year-old joined the blues from Bayern Leverkusen for £71m.
He has spent three seasons at Stamford Bridge.
Havertz has scored 19 goals in 91 Premier League appearances.
He scored and hit the winner in the 2021 Champions League final against Manchester City.
Havertz, whose contract had been due to run out in 2025, did not agree an extension at the club.
Chelsea are seeking to reduce their squad size. The Mauricio Pochettino-coached side have sold Croatia midfielder Mateo Kovacic to Manchester City.
Ruben Loftus-Cheek is close to joining AC Milan after coming through the Chelsea ranks.
N'Golo Kante, Edouard Mendy and Kalidou Koulibaly have moved to the Saudi Pro League.
The new ownership at Chelsea want to avoid letting players enter the final two years of their deals
