Lyles chases Olympic double as LeBron eyes basketball final

Lyles ended the USA's 20-year wait for a gold medal in the 100m and goes into the 200m the clear favourite as a three-time world champion in the event. "I spent years working on the 100m, but the 200 is where it's at. This is where I get to show my speed and endurance and my top-end speed," said Lyles. "This is where I get to show I'm stronger than everybody else." The American will face competition from team-mates Kenny Bednarek and Erriyon Knighton and Botswana's Letsile Tebogo. Reigning champion...