Diamond League: Will Usain Bolt strike back in Oslo?
BBC Sport whets the appetite for Usain Bolt's appearance at the Oslo Diamond League meeting with a look back at his surprise defeat by Justin Gatlin over 100m in Rome last week.
The loss by one hundredth of a second to Gatlin was Bolt's first major international defeat since his false-start disqualification at the 2011 World Championships in South Korea.
Bolt holds the 200m world record of 19.19 seconds and will be the strong favourite in a field in Norway that contains only three other men who have run under 20 seconds in their careers.
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