Jackson

Jamaica’s twice 200 metres world champion Shericka Jackson will not contest the sprint double at the Paris Olympics after dropping the 100 from her programme, team manager Ludlow Watts said on Wednesday. Jackson, who pulled up with a calf cramp in her final outing before the Games in Hungary on July 9, clocked her season’s best of 10.84 seconds to win the 100 at the Jamaican trials. “She has given up her place in the 100 metres … all the information that we can provide is that she is not going to participate in the 100 metres,” Watts, Jamaica’s track…