West Ham have made an offer for Spartak Moscow midfielder Radoslav Kovac.
"We have received a formal proposal for Kovac from West Ham in London, as well as another one in England and Spanish clubs," Spartak chief Valery Karpin informed Sport Express.
"I cannot disclose the last ones' names.
"All of them will be considered, taking into account the views of the player, but the final decision may be taken as early as Wednesday."