On Extra Time this week: a study into the long term effects of concussions on rugby players is revealed. We preview the upcoming ITM Cup season with referee Nick Briant. The Black Caps will wear Aotearoa on their playing shirts against Zimbabwe in Harare to mark the end of Maori language week. Casey Kopua shares her thoughts on the upcoming Netball World Cup. Manu Vatuvei and Konrad Hurrell make a welcome return to the Warriors against the Cronulla Sharks. Joseph Parker discusses his fight against Bowie Tupou in Invercargill and Sir Richard Hadlee pays tribute to South African allrounder Clive Rice.