The Senegal international has encountered some work permit problems after agreeing personal terms but Sherwood remains confident that a deal will get done.
FC Porto have reportedly made a formal approach to sign Iker Casillas, as Real Madrid pave the way for Manchester United keeper David De Gea.
The Gunners finished last season in fine form and are being touted as challengers next season.
How will Adryan fare on swapping Leeds United for Nantes?
Adam Matthews left Celtic to sign with Sunderland.
West Ham look set to sign Ogbonna, but Everton still want to bring him to Merseyside.
Villarreal are reportedly targeting Tottenham's Roberto Soldado.
Espanyol and Levante also want Jon Aurtenetxe from Athletic Club Bilbao, as Swansea City rekindle their previous interest for the defender.
Southampton are close to signing the defender from FC Twente.
Napoli's Gonzalo Higuain disappointed in Argentina's Copa America final defeat.
Potential Leeds United buyer Massimo Cellino was in the stands to watch Leeds United draw with Ipswich Town last night, according to the Daily Mail.
Fulham manager Rene Meulensteen has admitted that AC Milan are keen to sign on-loan midfielder Adel Taarabt.
Liverpool soared to a 4-0 thrashing of Everton at Anfield on Tuesday evening.