The Gorgie club announced that the 31-year-old striker has signed until the end of the season from Sky Bet Championship side Norwich. Naismith had been linked with a return to former clubs Kilmarnock and Rangers but after completing his temporary transfer to the Edinburgh club, managed by his former Scotland manager Craig Levein, he explained why.
Everton target Jack Wilshere has sparked a scramble for his signature after confirming he is leaving Arsenal this summer.
Tottenham's hopes of landing Wilfried Zaha have been hit by the news Crystal Palace have offered him a bumper new deal to stay.
Ryan Giggs says Gareth Bale would be the perfect fit for Manchester United but has doubts over whether he will leave Real Madrid.
Manchester City's attempts to sign Riyad Mahrez could be in doubt again as reports claim Leicester only want a straight cash deal.
Eden Hazard has suggested his future at Chelsea hinges on Antonio Conte and says Real Madrid know what they need to do to sign him.