The player worked with City boss Mark Hughes whilst at Blackburn Rovers, and the Welshman is a known admirer of the attacker, whose career at White Hart Lane has never really gathered any momentum.
The Daily Mirror reports that Martin Petrov may move in the other direction as part of the deal. The Bulgarian international was set to move to Spurs in the summer, but the switch collapsed on the last day of the transfer window.
Bentley will be keen to kick-start his career again after moving south from Rovers for £15m 18 months ago.
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What we learned this week: Suarez's kung-fu aside, Liverpool are so boring they can be upstaged by a cat
Kenny Dalglish's side and Spurs were upstaged by a feline pitch invader on Monday night, while Harry Redknapp has already been appointed England manager by everyone but the FA
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Same difference? - What would Mourinho be doing differently to Villas-Boas at Chelsea?
Both Portuguese bosses came from Porto to Stamford Bridge but the current Real Madrid manager enjoyed a significantly more successful first season than his understudy has thus far
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Cartoon of the Day: Has Capello's England resignation set off a managerial merry-go-round?
Goal.com cartoonist Omar Momani gives us his unique take on the football news of the day...
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Can Luis Suarez repeat Eric Cantona's grand comeback when Liverpool face Manchester United?
The divisive Uruguayan can look to history when he starts against United on Saturday for the first time since receiving an eight-match ban for racially abusing Patrice Evra
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Poll: Who should partner Wayne Rooney in crucial Manchester United clash with Liverpool?
Chicharito came off the bench to hand Sir Alex Ferguson's side a point against Chelsea on Sunday, and handed the Scot a selection headache ahead of fierce derby game
