Jamaica dominates 4x100 relay, sweeps sprint events at Worlds

The string of upsets continued in the men's triple jump, where Olympic and defending champion Christian Taylor of the U.S. was fourth. Teddy Tamgho of France

Jamaica showcased its dominance again with an incredible relay performance in Moscow :: Martin Meissner/AP

The string of upsets continued in the men's triple jump, where Olympic and defending champion Christian Taylor of the U.S. was fourth. Teddy Tamgho of France edged Pedro Pichardo of Cuba for gold.