Jenn Suhr

Merritt clears a hurdle, returns to worlds with new kidney

Looking back, American hurdler Aries Merritt realizes he probably shouldn't have competed with a failing kidney at the 2015 world championships when he captured a bronze medal.

"But in my heart of hearts, I thought that was my last championships," Merritt said.

He's back. Even more, two years later and with a fully functioning kidney thanks to a transplant from his sister, Merritt feels almost as good as in 2012, when he won Olympic gold in London and set the 110-meter hurdles world record (12.80 seconds).

"I'm close to where I was," Merritt said, "and I feel like I can accomplish something special."

His event starts Sunday, and no...