Cameron Borthwick-Jackson has been linked with a loan move to Championship side Reading, despite failing to make an impact at Leeds United or Wolves.
Championship strugglers Reading face a challenge holding onto Liam Moore with Celtic, as well as Premier League duo West Ham and West Brom, reportedly keen.
Celtic still hope to lure Reading defender Liam Moore to Parkhead in January - but appear to have identified cheaper alternatives.
David Edwards was one of Wolves' best players last season but few are questioning the club's decision to accept Reading's £1m bid.
Reading's Omar Richards won't be moving to Derby County - but The Rams may now step up their interest in Dundee United's Jamie Robson
With West Ham and West Brom in transition, Reading defender Liam Moore should be enticed instead by the chance to play for Celtic.
Omar Richards will be out of contract at Reading by next summer and Derby County are hoping to take full advantage.
£5m may not be enough for Celtic to sign Reading defender Liam Moore - but Virgil van Dijk's Liverpool move could help finance the deal.
Kristoffer Ajer's development at Celtic could be under threat as Brendan Rodgers attempts to bring Liam Moore to Parkhead.
West Ham United, West Bromwich Albion and Stoke City are reported to be interested in Celtic target and Reading defender Liam Moore.