Manchester United were interested in signing Russia international Feydor Smolov in 2018.
According to the striker's agent, United eyed Smolov before Alexis Sanchez became available.
They were also priced out of deals for Paulo Dybala and Antoine Griezmann.
Smolov's agent German Tkachenko told Championat: "When we were dealing with the transfer, Manchester United emerged as a surprise option and their interest was real.
"They were looking for a striker and they had two main targets in Paulo Dybala and Antoine Griezmann. They were seeing us as an alternative option.
"When it was clear both players wouldn't be joining them, we brought him onto the scene.
"We discussed the wages, agency fees, advertising and other details. Everything was ready but United took Alexis and our move fell through."