Donachie has rejoined Everton as the club's Head of Therapy services.
Arsenal are reportedly interested in signing Sokratis Papastathopoulos and Lucas Torreira in the summer transfer window.
Marca Silva is reportedly on Everton’s radar.
Kevin Campbell predicts a "change" of manager for Everton this summer.
The pair worked together at West Bromwich Albion more than a decade ago.
Everton pair Williams and Dowell are currently on loan at Barnsley and Nottingham Forest respectively.
Cenk Tosun scored twice for Everton against Stoke City in the Premier League on Saturday.
Sam Allardyce has managed all three clubs - Newcastle United, West Ham United and Everton.
Allardyce signed an 18-month contract at Everton in late 2017.
The Stoke City striker is the son of ex Everton favourite, Kevin Campbell.