Manchester United are reportedly preparing to target Borussia Dortmund midfielder Jude Bellingham during this summer's transfer window.
The Red Devils were strongly linked with the England international last year, but Dortmund ultimately won the race to sign the highly-rated teenager from Birmingham City.
"At United at the moment, there is nothing at all on the Sancho interest; on the contrary, a move is not likely. The reason? Jude Bellingham," Falk told Bild.
"Dortmund themselves have the replacement for Sancho and would therefore sell Sancho. The English are now simply focusing on Bellingham instead."