World Indoor Athletics Championships: Saturday's highlights Brit to watch After the "Plastic Brit" row, Michigan-born team captain Tiffany Porter (right) will be hoping for a podium finish. She was second quickest in the heats. Overseas threat Australian world champion Sally Pearson is in superb form and hardly broke sweat as she won her first-round heat. 6pm Brit to watch Dwain Chambers is not hitting the times that brought him this title two years ago but he looked solid enough in the first round, winning comfortably. Overseas threat Kerone Clarke's surprise exit means fellow Jamaican Nesta Carter looks the man to beat.