Essex kept their LV= County Championship Division Two promotion hopes on track as they crushed Worcestershire by eight wickets at Chelmsford.
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After bowling out the visitors a second time for 299, Essex cruised to the 51 runs they needed for the loss of only two wickets to complete their fifth Championship victory of the summer.
Paceman Reece Topley proved the chief destroyer as he finished with five for 56 and match figures of 11 for 85
Resuming on 163 for three and still requiring 86 to avoid an innings defeat, Worcestershire were quickly plunged into further trouble when 19-year-old Topley captured wickets with the second and fifth deliveries in his first over.
Nightwatchman David Lucas was trapped leg before while Joe Leach edged a catch to James Foster.
That left an even bigger burden on opener Matt Pardoe but he managed to add only 14 runs to his overnight 74 when he chased a widish delivery from Ryan ten Doeschate that ended in the hands of Jaik Mickleburgh at second slip.
Pardoe's removal from the scene came after he had struck 12 boundaries and resisted for a shade over four hours.
At this point, the visitors were still 46 runs short of making Essex bat again but a spirited partnership between Ross Whiteley and Shaiiq Choudhry saw them clear the arrears.
They resisted for 19 overs while adding 67 before Choudhry departed to the final ball before lunch as he snicked a catch to Foster after making 34.
Whitely was dismissed for 38 with the first delivery of the afternoon, another Foster victim, to provide Topley with his tenth wicket of the match.
A late flourish saw Jack Shantry and Alan Richardson add 29 runs but it was the irrepressible Topley who had the final word when he removed the former - again with Foster's help. It signalled the Essex captain and wicket-keeper's fourth catch of the day.
Essex openers Mickleburgh and Nick Browne had taken their side to within six runs of their target when they lost two wickets to left-arm spinner Choudhry .
First he had Mickleburgh caught in the gully by Moeen Ali for 28 before Greg Smith fell in identical manner in the bowler's next over
But Browne, who finished unbeaten on 22, hit the winning runs that earned the home side 23 points to put them in confident mood for their next contest against Kent at Canterbury next week.
Worcestershire emerged with just three points from their labours.