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...