The 20-year-old has been a revelation since joining White Hart Lane from MK Dons in 2015 and has taken the Premier League by storm. The Bosnia and Herzegovina international has been impressive since arriving from Roma last summer in a move in the region of £25million. 9million, played 285 times for Sevilla after joining their youth-set up at the age of 15. But he got it against Southampton and his second-half? performance gave us momentum. Still just a teenager, he leads and controls the back four. an Instagram post linking him with a move to ChelseaRelated StoriesART DEALERAntonio Conte chasing £38million former Juventus pal Arturo Vidal to bring him to Stamford BridgeWIT'S ENDChelsea and Everton target Axel Witsel set to snub Prem clubs after being offered incredible deal in ChinaWIJN AT ALL COSTSLiverpool star Georginio Wijnaldum urges Reds to turn up heat on Prem leaders ChelseaCOSTA CONFESSIONChelsea ace Diego Costa admits he knew he was bad. Arsenal have time to try and convince their top goalscorer to stay at the club as the Italians will . They have already lost three times away this season, and were uncharacteristically shaky at the back when they fell to a shock 3-1 defeat at Genoa. Benfica president Luis Filipe Vieira Ferreira was in Manchester last week to discuss a potential switch. The 23-year-old Argentinian forward is considered one of the brightest prospects in world football, and Juventus are determined to keep hold of their prized asset.