Wolverhampton Wanderers are still searching for Walter Zenga's successor.
The Tottenham Hotspur forward has been in good form this season.
Arsenal ran out 3-2 winners in a thrilling match in Sofia against Ludogorets Razgrad in the Champions League.
Scouts from Aston Villa, Celtic, Liverpool, Manchester United, Newcastle United, Sunderland and West Bromwich Albion watched Benfica take on Dynamo Kiev on Tuesday night.
Leeds United are only one point outside the Championship play offs as things stand.
The report claims that Glasgow Rangers remain confident of keeping the youngster despite Tottenham being one of seven sides reportedly interested.
The former Nigerian international is impressed by Musa's recent form.
The Boss is available now on digital download, Blu-ray and DVD.
Crystal Palace are rivalling Arsenal and Liverpool for the signature of Marseille youngster Maxime Lopez.
The midfielder's late miss cost Celtic all three points against Borussia Monchengladbach.