The Rumour Mill: Thursday's football transfer news and gossip

Celtic put in final bid for Forster

Celtic have put in a third and final bid for 2m-rated Newcastle goalkeeper Fraser Forster, as Neil Lennon's search for a goalkeeper intensifies. Forster, who spent last season on loan at Parkhead, has become Lennon's main target, after the club missed out on Stijn Stijnen, with alternative target Grzegorz Sandomierski set to sign for Belgian side Genk. (Daily Express)

Tax bill troubles for Rangers

Rangers have been hit with a 2.8m tax bill, despite club chiefs claiming that they were not liable for any tax bill dating back to the 'old regime' at Ibrox. The club is currently embroiled in a tribunal over claims that they owe 40m to cover controversial payments to players. (The Sun)

Newcastle striker set to join Hibs

Phil Airey is set to join Hibs on a six-month loan deal today, barely 24 hours after the Edinburgh club announced the signing of former Aston Villa midfielder Isaiah Osbourne. (Daily Express)

In brief

• Rangers defender Sasa Papac has been struck down by pneumonia

• Dutch winger Wesley Vorhoek has turned down a move to Rangers

• Former Hibs and Motherwell goalkeeper Graeme Smith has been offered a contract by Azerbaijani side Gabala

• Former Celtic target Maceo Rigters is training with Aberdeen this week in a bid to win a permanent deal

• Rangers are said to be interested in Tunisian defender Yohan Benalouane

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