Australia’s Mitchell Starc takes seven wickets to blast out Derbyshire

• Derbyshire 172 & 112; Australia 338-5 dec
• Australia win by an innings and 54 runsAustralia will be tempted by talk of a rapid Old Trafford surface to play Mitchell Starc in the fourth Ashes Test at Manchester this coming week, after the left-arm express bowler crashed his way to seven wickets in a win over Derbyshire in a little over two days of play.The calibre of the opposition is, of course, a major caveat, with Australia bowling out the second division strugglers for 172 an