Leonard who made his Premier Division debut on Saturday took 10 wickets for 24 run as Felling were victorious over Stockton.
Felling were bowled out for 86 in the first innings but Paul bagged his 10 to bowl Stockton out for 58.
Leonard, takes the record from Mark Cawthorn who took 9/21 for Blaydon 2XI 11 in 2015.
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