India, Dec. 2 -- Like most Jamaicans, Yohan Blake is no man to mince his words. Be it while talking up his own chances at the 2020 Tokyo Olympics-"I'm always the favourite," he says-or taking on World Athletics president Sebastian Coe head-on.

The two-time gold medallist sprinter at the Olympics and World Championships accused Coe of "killing" the sport after the former British athlete announced plans to remove a few key disciplines from next year's Diamond League. It includes triple jump, discus throw, steeplechase and the 200m, where Blake is only slower than a certain Usain Bolt in the all-time record.

"It is just madness," Blake said of Coe. "I believe 200m is where people make careers and money. That's where I broke the Diamond Lea...