Chelsea ceded Malang Sarr to Porto for the 2020–21 season.
Frank Lampard’s signed the central finisher in August to a five-year contract after the 21-year-old left Nice at the end of his contract.
Les Bleus intended to send france U-21 abroad elsewhere for next year, and ended a deal to sign for portuguese champions.
“I’m very excited,” said Sarr, quoted on porto’s website. “It’s an opportunity I’m looking for, so I’m grateful and pleased to be here.
“Porto is the club of Portugal, a very large club with talented players and a story that, for me, is very important.
“I know that Porto is an ambitious club and I also came here for that. I look to competitiveness, big matches, the Champions League and help the club win the league title. “
Porto are expected to complete the signing of Felipe Anderson’s transfer from West Ham.
The market in Portugal runs until October 25th.