Tottenham Hotspur secured the late signing of Mathys Tel from Bayern Munch on deadline day. The French Under-21 international arrives on load until the end of the season, with Spurs having seen off approaches from Man United, Chelsea, Aston Villa, and even Arsenal to secure his services. But who is he? And why did Ange Postecoglu personally pick up the phone to convince him to join? Adam Clery looks at why he's probably the most exciting signing of the transfer window.