Monday's transfer round-up includes Barcelona monitoring Chelsea forward Estevao, interest in Erling Haaland, and a possible European return for Joao Felix.
Norway welcome two-time UEFA Nations League champions Portugal to Oslo in their second match of the league phase.
Saturday's football rumour mill also links Premier League clubs to Atletico Madrid's Marcos Llorente and Juventus to Crystal Palace's Tyrick Mitchell, according to BBC Sport.
A report from ESPN sets out the main available details, with claims kept attributed to their sources.
ESPN's transfer roundup says LaLiga giants Barcelona and Real Madrid are eyeing a potential move for the Manchester City striker.
Erling Haaland scored the only goal as Manchester City defeated newly promoted Coventry City in what was described as an unconvincing home win.