Brendan Rodgers' pulling power could come to the fore again as Celtic aim to fight off Everton and Liverpool for Oxford United's Marvin Johnson.
Lars Veldwijk is plying his trade in Norway these days after just eleven appearances for Nottingham Forest so why would Celtic have wanted him?
Liverpool have been linked with former Celtic defender Virgil van Dijk, now at Southampton.
Chelsea defender John Terry grew up as a Celtic fan, while his brother supported Ibrox outfit Rangers.
Scott Allan will have hoped to revive his career at Rotherham United but the Celtic loanee has not played since January.
One-time France international Benoit Costil had been linked with Celtic in January with Craig Gordon's future uncertain.
Brendan Rodgers’s Celtic should move for Manchester City-owned Sunderland defender Jason Denayer in the summer transfer window, suggests Frank McAvennie.
Pedro Caixinha’s Rangers lost against Old Firm rivals Celtic in the Scottish Cup at the weekend.
Brendan Rodgers’s Celtic won against Old Firm rivals Rangers in the Scottish Cup at the weekend.
Fenerbache left-back Hasan Ali Kaldirim has starred in the Turkish Super Lig this season but will he stay there amid interest from Celtic and West Ham?
Fresh back in management at Birmingham City, Harry Redknapp has a host of former Tottenham, QPR and Portsmouth stars that he could look towards in the summer transfer window.
Celtic take on Rangers on Sunday in the Scottish Premiership, and HITC pundits give their predictions on the likely outcome.
The defender is reportedly likely to sign a new contract with Manchester City but Celtic could help him take the next step in his career?