479 runs in three Test matches in the ongoing Ashes series at an astounding average of 159.66 is how former Australia skipper Steve Smith has announced his return to the Test arena after serving a one year ban for the Sandpaper Gate fiasco. After taking back the Test batting crown from India captain Virat Kohli, Smith hit a double century on Thursday. But the debate on who between Kohli and Smith is currently the best batsman in world cricket refuses to die down, and legendary Aussie spinner Shane Warne has his say. (More Cricket News)