This weekend's Champions Cup semi-finals featuring Leinster against Northampton and Bordeaux-Begles taking on Toulouse offer a host of players a final chance to stake their claim for a British and Irish Lions role.

Mexico City will host high-altitude Formula One races for at least three more years after a contract extension was signed on Wednesday.

Brazilian Arthur Sales and Chilean Marcelo Allende scored as Mamelodi Sundowns saw off Richards Bay 3-0 on Wednesday to take a 12-point lead in the South African Premiership.

Nine-time Olympic gold medallist Katie Ledecky made a blistering return to the swimming pool on Wednesday.