Prop prospect Simon McIntyre grabbed an opportunist try to help sink Worcester for the second time this season as Wasps opened their account in the LV= Cup with a 28-19 win at Adams Park.
The 21-year-old former England Under-18 player, who scored his first Wasps try in October's 10-6 win over Worcester in the Aviva Premiership, notched his second as they bounced back from last weekend's 22-17 away defeat by Cardiff Blues.
Winger Jack Wallace and replacement scrum-half Charlie Davies scored the other Wasps tries with third-choice fly-half Tommy Bell contributing 13 points with a five-from-five goalkicking display.
Worcester replied with tries from centre Alex Grove, right wing Andy Short and replacement left wing Ben Howard, with fly-half Joe Carlisle landing two conversions.
Holders Leicester fought off a ferocious fightback by London Irish at Welford Road to win 22-15 and get their campaign back on track.
Trailing 19-8 with 11 minutes left, Irish threw everything at Leicester who were down to 14 men and scored their second try of the afternoon to reduce the deficit to four points.
But Leicester kept their cool, fought their way upfield and young fly-half George Ford sealed victory with his fifth penalty of the game, taking his tally to 17 points.
Wing Tonderai Chavhanga scored only the third-ever hat-trick of tries for Newport Gwent Dragons but it was not enough to prevent his side's 30-20 defeat against Northampton at Rodney Parade.
Stand-off Ryan Lamb booted 20 points as the Saints turned on the style after the interval to overturn a 10-6 half-time deficit.
Flanker Phil Dowson and wing Jamie Elliott got the visitors' tries.
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The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
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Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
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The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.