Virat Kohli praises Joe root ahead of 1st Test: How ‘Big Four’ have come together instead of picking Virat Kohli praises Joe root ahead of 1st Test: How ‘Big Four’ have come together instead of picking ‘individual battles’ England tour of India: Virat Kohli in full praise of Joe Root ahead of the 1st Test, starting on Friday in Chennai, is testament to the fact the ‘Big Four’ of cricket are tied together. advertisement Joe Root, Virat Kohli, Steve Smith and Kane Williamson (from L-R) (Reuters Image) HIGHLIGHTS Kohli, Root, Williamson and Smith constitute the 'Big Four' in cricket Root and Williamson, too, have come forward and praised their counterparts