The Wanda Diamond League is at its halfway mark, with seven meets out of 14 contested so far ahead of the Grand Finale in Brussels in September, and three Jamaicans are leading their respective events — Nickisha Pryce in the women's 400m, Megan Simmonds in the women's 100m hurdles, and Jordan Scott in the men's triple jump.Simmonds, who recorded fourth-place finishes in Shanghai and Xiamen before winning in Rome, leads the women's 100m hurdles standings with 18 points.