Final score: The Sarries rearguard repell a late Warriors onslaught to hold on for a comfortable victory. See tomorrow's Worcester News for a full match report andf reaction.
72 mins: Pennell hands Sarries a scrum on the Worcester 22 after a drop-out that went straight into touch. Scrum-half Neil De Kock's break set up an attack which eventually ended with replacement Brad Barritt diving over for his first try for the club. Jackson adds the extras.
65 mins: Sarries are continuing to probe and Worcester aren't looking too likely to get anything from this game. Will Bowley and Ben Jones have come on for Craig Gillies and Matt Powell respectively.
54mins: Chris Horsman has come on for Tevita Taumopeau.
42mins: Jackson starts the second-half with three more points fdor Sarries after Worcester came in at the side.
Half-time: Sarries have out-scored Worcester two tries to nil, but the Warriors have stayed in touch courtesy of two Chris Pennell penalties.
38 mins: Glen Jackson throws a dummy and goes over in the corner before missing the conversion.
34 mins: Jackson missed the penalty from where Goode's kick had landed.
33mins: Sam Tuitupou is sent to the sin-bin for taking out Saracens full-back Alex Goode after he had got his kick away.
27mins: Andy Saull is hit for not rolling away and Pennell splits the uprights from 45 metres.
20mins: Chris Pennell slots a penalty after a Sarries off-side follwing a fine break from Dale Rasmussen.
11 mins: Kameli Ratuvou adds a try for Saracens. Full-back Alex Goode gathered Chris Pennell's up-and-under and ran deep into Worcester territory before finding Andy Saull who sent the right wing over. Jackson missed the conversion.
7mins: Fly-half Glen Jackson gives Sarries the lead with a simple penalty after a scrum offence by the visitors.
Worcester Warriors have been forced into a late change ahead of the clash with Saracens after hooker Chris Fortey failed a fitness test.
Fortey will now be replaced by Jordan Page on the replacements bench for the Guinness Premiership fixture at Vicarage Road (kick-off 3pm).
TEAMS Warriors: Pennell; Gear, Rasmussen, Tuitupou, Benjamin; Crichton, M Powell; Mullan, Lutui, Taumoepeau, Rawlinson, Gillies, Talei, Sanderson, Horstmann.
Replacements: Horsman, Page, Bowley, Cox, B Jones, Carlisle, Grove.
Saracens: Goode; Ratuvou, A Powell, Farrell, Cato; Jackson, de Kock; Aguero, Ongaro, Visagie, Owen, Vyvyan, Van Heerden, Saull, Skirving.
Replacements: Kyriacou, Johnston, Chesney, Ryder, Rauluni, Barritt, Sorrell.
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