Arsenal are monitoring Matheus Cunha, 25.
Netherlands defender Virgil van Dijk has received a contract offer from Liverpool but it falls short of the 33-year-old’s expectations.
Julen Lopetegui’s future as West Ham head coach is hanging in the balance.
Edin Terzic, Roger Schmidt, Sergio Conceicao and Massimiliano Allegri – all currently without a club – are among the managers being considered by West Ham.
Former Brighton and Chelsea manager Graham Potter is also of interest to West Ham.
Ex-Denmark coach Kasper Hjulmand is another the Hammers could turn to if they part ways with Lopetgui.
Spain midfielder Rodri has urged Manchester City to make a move for international team-mate and Athletic Bilbao winger Nico Williams, 22.
England defender Harry Maguire, 31, is attracting attention from several Premier League clubs amid uncertainty over his situation at Manchester United.
Paris St-Germain manager Luis Enrique is not keen on the French club bringing in 26-year-old Sporting and Sweden striker Viktor Gyokeres, who has been linked with Manchester City and Manchester United.
Newcastle United are monitoring Bournemouth and Ghana winger Antoine Semenyo, 24, and Brentford’s Cameroon forward Bryan Mbuemo, 25.
Arsenal and Liverpool are monitoring LA Galaxy’s 23-year-old Brazilian winger Gabriel Pec.
Hull City are looking at appointing Reading boss Ruben Selles as their new manager, with Alex Neil and Slavisa Jokanovic among the other contenders for the role.
Premier League clubs are monitoring the situation of Celtic’s 18-year-old Scottish forward Daniel Cummings.
Crystal Palace are set to sign 17-year-old Australian striker Rylan Brownlie on a free transfer.