West Ham and Wolves are moving for Club America defender Edson Alvarez.
AD says Ajax had lined up the Mexico international as a replacement for wantaway captain Matthijs de Ligt and were confident of a deal.
However, they now fear missing out on Alvarez as West Ham and Wolves make their move.
Club America are demanding 15m to sell - though are counting on an auction to drive up the price.
The Mexican giants are happy to sell to the highest bidder.
