Thomas Tuchel is keen to recruit a new forward before the transfer window closes, while United are also looking to add another striker to Erik ten Hag’s squad this summer.
Last week, reports claimed that United have already held talks over a deal for the 19-year-old this summer.
But according to Fabrizio Romano, Chelsea have also met with the striker’s agent last week after United held multiple meetings to discuss a move.
Sesko’s agent has also held talks with Newcastle United earlier this summer.
RB Salzburg are reluctant to sell Sesko so soon and are said to be holding out for a £55 million fee for the Slovenia international.
Sesko is regarded as one of the brightest young talents in Europe following his prolific season on loan at FC Liefering, RB Salzburg’s sister club, in the 2020/21 campaign, in which he scored 21 goals in 29 appearances.
Last season, Sesko established himself as a regular at RB Salzburg and scored 11 goals in 37 games.
Sesko himself has indicated that he wants to develop at RB Salzburg for another year.
When asked about the possibility of leaving RB Salzburg in an interview with Krone last month, Sesko said: ‘That won’t happen.
‘I’ll definitely stay with Red Bull Salzburg for the whole season. I really like being here.’
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