Crystal Palace’s Michael Olise is set to undergo his medical with Bayern Munich.
Both clubs have already agreed to a deal for Olise, who is preparing to play for France at the Olympics in Paris.
Transfer expert, Fabrizio Romano, tweeted on Thursday morning: “Bayern have booked the initial part of medical tests for Michael Olise on Sunday.
“Understand nothing was signed yet until today as Bayern were informed of Palace to have a percentage on future sale for Olise after triggering the clause.
“This was the key point to clarify.”
Sturm Graz have also agreed a fee with Arsenal to sign striker Mika Biereth.
Biereth spent the second half of the season on loan at the Austrian club, where he scored nine goals in 22 appearances.
The two clubs have now reached an agreement on a fee thought to be in the region of £4m.
The deal for the 21-year-old will make Biereth a club-record purchase for Austrian champions Sturm Graz.
Transfer: Olise undergoes Bayern medicals, as Arsenal striker leaves in £4m deal