Joe Root to polish T20 skills in Big Bash stint for Sydney Thunder

• Root to squeeze in T20 between England’s winter tours
• Test captain feared being left behind in T20 formatJoe Root has secured the Twenty20 experience he has long been craving. He and Jos Buttler are to play for Sydney Thunder in Australia’s Big Bash League in between England’s winter tours to Sri Lanka and the Caribbean.Root was dropped from England’s Twenty20 side for the series decider with India in July and has expressed fears of being “left behind&