Omar Richards is set to complete his £10million move to Nottingham Forest on Saturday.
The Bayern Munich defender, who moved to Germany from Reading only a year ago, is due to have a medical on Friday afternoon before finalising the details of the transfer.
Forest also hope to seal a £17m deal for Liverpool full-back Neco Williams, which would take the promoted club’s summer spending to the £60m mark.
One of boss Steve Cooper’s priorities was to fill the wing-back roles in his preferred 3-4-3 system, with Djed Spence - who was a huge success on loan from Middlesbrough during the second half of last season - likely to sign for Tottenham.
Forest have already signed England goalkeeper Dean Henderson on loan from Manchester United, as well as concluding permanent deals for forward Taiwo Awoniyi and defenders Giulian Biancone and Moussa Niakhate.
Owner Evangelos Marinakis is prepared to bankroll a significant summer spending campaign after Forest sealed promotion to the top flight for the first time this century, and their moves in the market are unlikely to end there.
Cooper retains strong interest in Wolves playmaker Morgan Gibbs-White, who is valued at £25m, while Forest have also agreed a new four-year deal with star forward Brennan Johnson.
Meanwhile Steven Reid, a member of Cooper’s coaching team, has left the club.
The former Republic of Ireland midfielder intends to work as a specialist coach to help players with their mental health.
He said: ‘As those close to me know, I've had mental health and confidence issues throughout my playing and coaching career.
‘I'll now be offering my services as a specialist coach - helping people improve their mental well-being, confidence, and leadership.’
