Derbyshire sign New Zealand international spinner Mitchell Santner as overseas player for the second half of 2018.
Worcestershire sign Australia batsman Travis Head as their "main overseas player" for the 2018 county season.
Matt Mason leaves Worcestershire after 16 years to join Leicestershire as the club's new head bowling coach.
Alex Hepburn appeared in court in Worcester to plead not guilty to an attack on a woman in the city.
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Jos Buttler hits 52 from 40 balls as Lancashire Lightning beat Worcestershire Rapids by seven wickets to keep their T20 Blast campaign alive.
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How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.