Stats won't show the full picture
6,1,0,1,0,1,6,0,0,1,0,1,W,1,1,2,2,0 these were all his 18 balls prior to 20th over. Going for a six at the 1st ball and condeding below 10 runs in those overs is not an easy task. If not for catchdrops in last over, his economy would be <7.