MONACO (Reuters) -American Noah Lyles made an impressive season debut in the 200 metres to beat Olympic champion Letsile Tebogo at the Monaco Diamond League meeting on Friday, where Kenyan Emmanuel Wanyonyi outclassed a high-class 800 metres field.
An injury-hampered campaign had raised doubts over three-times world 200m champion Lyles's chances of defending his title in Tokyo in September, but the 100m Olympic gold medallist responded to the doubters in style.
