Racing:Sizing Europe and Big Zeb again face off in a mouthwatering clash for the Boylesports.com Champion Chase at Punchestown tomorrow.
Big Zeb won the 2010 Queen Mother Champion Chase at Cheltenham but finished runner-up this year to Henry de Bromhead's stable star.
Sizing Europe's regular partner Andrew Lynch is currently out injured so Timmy Murphy has been snapped up for a great spare ride.
Golden Silver, winner of this race 12 months ago, and his Willie Mullins-trained stablemate J'y Vole are also in the shake-up.
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Paul Townend rides Golden Silver, with Ruby Walsh on the mare.
Captain Cee Bee, third at Cheltenham, will have another crack at the big two, while Sizing Europe's stablemate Changing Course completes the six-runner field.