Manchester United and Newcastle United were among the English teams they joined last summer.
But instead he turned to Borussia Dortmund, which led to a release clause to sign £14.7 million.
Another injury has postponed his debut, but has scored 28 goals in 40 appearances in 40 appearances.
Thirteen of them are in the Champions League, with an African player’s most goals in a single campaign in his first season.
“I understand that my form may impress some people, but I’m not surprised,” he said recently., external
“I had two crazy seasons, but I haven’t changed anything.
“It’s just a question of trust. And I realized that at a high level, talent is not enough.
“You have to push the pain in the challenges, from the attempt you make, in the performance of high density again and again, faster and more than your opponents.
“Maybe the place where the change comes from.