USA TODAYUsain Bolt withdraws from Jamaican Olympic trials after suffering torn hamstringUSA TODAYTwo-time 100-meter Olympic gold medalist Usain Bolt withdrew from the Jamaican Olympic Trials on Friday after suffering a Grade 1 hamstring tear. Bolt won his 100-meter semifinal heat with a time of 10.04 seconds. He complained of a tight hamstring ...Injured Usain Bolt withdraws from Jamaican trials, could still qualify for Rio OlympicsSB NationUsain Bolt injures hamstring; Rio games status in doubtMassLive.comJamaican officials say Bolt withdraws from national meetTulsa WorldYahoo Sports -Bleacher Report -NBC 7 San Diego -FOXSports.comall 122 news articles »