Ross Whiteley in his delivery stride, Derbyshire v Nottinghamshire, County Championship, Division One, Derby, 2nd day, April 25, 2013© Getty Images
David Wainwright had Ed Cowan caught to break the opening stand, Derbyshire v Nottinghamshire, County Championship, Division One, Derby, 2nd day, April 25, 2013© PA Photos
Ed Cowan acknowledges his fifty, Derbyshire v Nottinghamshire, County Championship, Division One, Derby, 2nd day, April 25, 2013© PA Photos