STEETON gave visitors Burley's title hopes a significant knock in the Aire-Wharfe League First Division.
Teenage opener Matt Price, in only his second first-team match, gave the hosts' innings stability with 62 from 116 balls, including eight boundaries.
He shared partnerships of 46 with Jonny Stander (26) and 76 with David Robinson (38) for the first two wickets, and their 259-8 was given impetus by Mark Taylor, who made 55 off just 42 balls, hitting two sixes and seven fours.
Burley were 143-3 at halfway in reply and looked favourites but they were dismissed for 216 in 43.1 overs, with Stephen Pearson taking 5-36 from 13.1 overs and Best 4-73 from 14 overs.
Taylor (two skiers at long off) and gully Stander (a smart catch and a stunning second) grabbed the fielding honours as Steeton climbed two places to sixth.
Relegation-threatened Harden were also hungry for runs in the Second Division in a fine team performance.
Tom Cummins hit 116 in 101 balls and added 127 with Andrew Wear (62) in their 270-7 before Scott Hartley (5-41) and new signing Paul Quinlan (3-65) helped to restrict Knaresborough to 237.
Harden are now ninth and their prospects of joining Silsden in the Third Division have receded.
Majid Inayat (45) and Muhammad Waqas (45) were the main contributors to Silsden’s 157 but Bardsey overhauled them with four wickets in hand.
Silsden had an unofficial family day at Bardsey in the second teams' Third Division.
Ian Pullen, 70, who is in his 46th year as club secretary, donned the whites again to feature in the same team as his sons – skipper Andy and Graeme, who is on holiday from Copenhagen – and his grandson William.
Father and son Tim and Ben Sugden maintained the relative theme by opening the batting, and 14-year-old Ben held the innings together, showing great maturity to bat through for 65.
Mark Bradley made 53 in their 187-5 and Silsden's bowling attack consisted of under-16s William Pullen, Ben Sugden, Jack Lister and Nick Firth, who shared the wickets as Burley were toppled for 103.
Third-placed Steeton seconds were indebted to James Yeadon (5-24), Craig Walton (53), Oliver Gledhill (46) and Mick Wilson (38no) in their seven-wicket victory at Burley in the First Division, while Harden went down by seven wickets against Knaresborough after only making 105 in the Second Division.
Steeton thirds were left to rue missed catches in a four-wicket home defeat against Olicanian after making 211-8 in Conference B.
Mark Chapman (55), Hayden Tennant (34), Luke Watson (29) and No 9 Aatif Modak (22no) were the main contributors but chance after chance was spilled in the field as Olicanian replied with 214-6, Watson taking 3-49.