With seven games to save their status, Tottenham’s owners have taken risk on a gifted coach who favours tough loveIt is ironic that the man who has appointed Roberto De Zerbi to be Tottenham manager, just as the club faces its most critical seven games this century, is also partially responsible for one of the most successful managerial recruitments in Mikel Arteta, albeit for north London rivals, Arsenal. And even that didn’t start well. Vinai Venkatesham was blindsided when photographs of him emerging from Arteta’s house at 1.20am were published in a newspaper at a sensitive stage in…