The floodlights take effect in the inaugural day-night round, Nottinghamshire v Kent, Specsavers County Championship Division One, Trent Bridge, 1st day, June 26, 2017© Getty Images
Umpire Neil Bainton selects a new pink ball from the box of replacements, Nottinghamshire v Kent, Specsavers County Championship Division One, Trent Bridge, 1st day, June 26, 2017© Getty Images
Paul Stirling sweeps during his half-century, Essex v Middlesex, Specsavers County Championship Division One, Chelmsford, 1st day, June 26, 2017© Getty Images