In Extra Time this week we take a closer look at the new pink cricket ball that will be used in the inaugural day-night Test in Adelaide. Todd Blackadder explains his decision to stand down next year as Crusaders coach, while the new Highlanders investors say they wanted to make sure the Super Rugby side stayed in the deep south. Niall Williams talks about the tips she's had from her brother Sonny Bill Williams and we discuss Lydia Ko's great golfing year.