Olympics-Golf-Straka storms to Tokyo lead as Matsuyama grinds

By Toshiki Hashimoto KAWAGOE, Japan (Reuters) - Austrian surprise package Sepp Straka upstaged a slew of golf's biggest names at the Olympics on Thursday to take a one-shot lead in a sweltering opening round as home hero Hideki Matsuyama battled to stay in touch after a recent brush with COVID-19.