By STEFFAN THOMAS

Cardiff ................19ptsTries: Screech 18 Conversions: Priestland 19 Penalties: Priestland 5, 11, 34, 73 Bulls....................29ptsTries: Louw 43, Tambwe 61 Conversions: Smith 44, 62 Penalties: Smith 26, 49, 64, 72, 77CARDIFF let slip a 13- point lead as they were outmuscled by a powerful Bulls outfit in the Welsh capital.It was also a disappointing night for returning British & Irish Lion Josh Navidi who left the field after a mere eight minutes with what looked like a serious arm injury.Onlooking Wales coach Wayne Pivac will be very concerned wi...