Berbatov?s future has been the subject of speculation since last summer, with Manchester United tipped to move for the skilful forward before the Premiership season begins next week.
Spurs have already sanctioned Robbie Keane?s £20 million move to Liverpool, and Waddle, who spent four years at White Hart Lane during a distinguished career, believes players should see out the long-term contracts they sign.
?Berbatov is a class act but you wonder why these guys sign four and five-year contracts?? he told the
Daily Mail.
?Was his intention always to play for one or two years and move on? FIFA should bring a law in which says if you sign for five years, then you cannot leave unless you have not played a certain amount of games.?
Tensions between the Red Devils and Spurs have risen within recent weeks, with the north London club?s chairman Daniel Levy accusing Sir Alex Ferguson of attempting to unsettle the 27-year old.
The Old Trafford club will have to offer upwards of £24 million to secure the former Bayer Leverkusen striker, and a deal is likely to rest on the cost of Carlos Tevez?s permanent signing.
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