By ROGER PANTING

Cardiff ................................15pts
Tries: Young 6, 22
Conversions: De Beer 23
Penalties: De Beer 4

Harlequins ....................... 54pts
Tries: Walker 9, Esterhuizen 26, Evans 34, Beard 37, Smith 44, Lewis 68, Baxter 75, Green 79
Conversions: Smith 10, 27, 35, 39, 69, 76, 80
Another evening of high entertainment at a sold-out Arms Park resulting in Harlequins taking a big step towards qualification for the knock-out stages of the competition.
Cardiff, thanks to the huge efforts of Tomos Williams and Thomas Young, had made a decent fist of unsettling Quins ...