Veteran Pakistan all-rounder Shoaib Malik has called former India captain Mahendra Singh Dhoni a "legend" and GOAT, an acronym for Greatest of All Time. Malik was responding to a follower in a Twitter Q&A session who had asked him to describe Dhoni. Further, Malik revealed the toughest bowler he has faced in his career is ex-Pakistan pacer Shoaib Akhtar.