New Delhi, Feb. 5 -- T20 cricket has taught bowlers to embrace chaos, expect the unexpected. Travis Head doesn't arrive at the crease with visible fury or theatrics. He arrives with a certain reassurance that the next few overs belong to him and that mindset alone makes him one of the most destabilising openers in the format. An opening batter probably goes to bed thinking about how they are going to counteract pace and swing with the new ball. In Head's case, it's probably the bowler who is likely to spend a sleepless night wondering how they are going to bowl to him. For years, the Adelaide-born was straightjacketed as a high-tempo batter, a limited-overs cricketer of value but not necessarily irreplaceable. But a unique combination of sk...