Sport News Update, what you need to know.

CRICKET – Mitchell Johnson proved his Ashes heroics were no flash in the pan with a devastating spell to reduce South Africa to 6-140 in reply to Australia’s 397 in the first cricket Test at Centurion.

AFL – New Brisbane coach Justin Leppitsch has defended his decision to field an inexperienced line-up which was mauled 1-22-13 (154) to 0.3.5 (23) by defending premiers Hawthorn in Thursday night’s AFL practice match.

OLYMPICS – Russ Henshaw’s inability to nail the triple cork proved decisive as the Australian finished eighth in the ski slopestyle final at the Winter Olympics.

GOLF – Norwegian world No.2 Suzann Pettersen lived up to her top billing after signing for a six-under-par 66 to take the first round lead at the women’s Australian Open.