Carlos Laffon-Parias trainee Tumbler (Fr) (Kingman {GB}), a hitherto untested homebred sporting the colours of Alain and Gerard Wertheimer, was eclipsed for favouritism in the betting, but opened up with an impressive daylight rout of five rivals in Thursday's Prix As d'Atout, a seven-furlong heat for unraced 2-year-old colts and geldings, at Saint-Cloud. The 17-5 chance was swiftly into stride and settled into a smooth rhythm racing third, four lengths off the pace, through halfway. Sent wide with the field into the straight, he quickened in taking fashion to sweep...