Jack Leaning’s unbeaten 81 from 117 balls guided Kent Spitfires to a thrilling three-wicket victory against Derbyshire in the Metro Bank One-Day Cup on Friday. Spitfires were sliding to defeat at 106-6, chasing 207, with Samit Patel taking 3-30 – but Leaning – Kent’s vice-captain and skipper in the 50-over tournament – revived them alongside Grant Stewart’s 48 from 39 balls. Leaning and Matt Parkinson then added 33 from 43 balls to see Kent home with 28 balls to spare. Brooke Guest earlier had made 85 from 117 balls, sharing an eighth-wicket stand of 75 runs with Harry Moore, who made a career…