Jack Leaning 82* before Derbyshire hit back to limit Kent ambitions
Ben Aitchison takes four as Kent lose 7 for 48 during evening session

Jack Leaning was one of three Kent players to pass 50 • Getty Images
Ben Aitchison takes four as Kent lose 7 for 48 during evening session
Jack Leaning was one of three Kent players to pass 50 • Getty Images