ansfer blogGriezmann himself is believed to be keen on a switch to either Man United or Chelsea, with Atletico still some way off from challenging Real Madrid and Barcelonas dominance in La Liga. Mboula, has admirers across Europes biggest leagues and seen as the biggest star. Getty Images4Antoine Griezmann has been the subject of interest from a number of clubs this termMOST READ IN SPORTdiamonds are foreverChelsea's new Nike kit leaked online. ENGLANDS Jermain Defoe swears by his cryotherapy treatment — and having stood topless in -130 degrees Celsius I too can vouch for its body-shocking brilliance. The knock has meant he has not been able to join up with France on international duty. Getty Images12Antoine Griezmann has been the subject of interest from a number of clubs this termMost read in footballdiamonds are foreverChelsea's new Nike kit leaked online. Keep up to date with ALL the Arsenal?news, gossip, transfers and goals on our club page plus fixture. It is expected to be a record-breaking summer and SunSport will be here to bring you each and every update. Getty Images12Eden Hazard is Real Madrid's No. s, results and live match commentaryBut Hartson feels that if Arsene Wenger is to extend his stay at the Emirates Stadium, he should be willing to spend big to compete with his rivals, and challenge for the Premier League title.