Aries Merritt won his first Diamond League 110m hurdles race since his 2015 kidney transplant in Rome on Thursday.
Merritt, the 2012 Olympic champion, prevailed in 13.13 seconds while jetlagged.
It’s well off his world record of 12.80, but Merritt beat a decent field that included Rio silver medalist Orlando Ortega and the last two world champions, Sergey Shubenkov and David Oliver.
“I made many mistakes, hit a lot of hurdles today, but my speed is getting better,” Merritt said, according to the IAAF. “The time 13.13 is not that terrible in the end. After 2015, it was tough, but I am here, I am healthy, so I just need to stay focused and the results will come.”
Merritt is 21 months removed from a kidney transplant. He won bronze at the 2015 World Championships with kidney function at less than 20 percent. He missed the 2016 Olympic team by .01 at trials, 10 months after his transplant surgery.
Merritt ranks second in the U.S. this year behind Devon Allen. The top three at the U.S. Championships in two weeks qualify for the world championships in London in August.
Sprint favorites Andre De Grasse and Dafne Schippers also won in Rome, the first of three Diamond League meets in an 11-day span.
NBCSN and NBC Sports Gold will also air live coverage of Oslo (next Thursday and Stockholm (June 18), the last two meets before the U.S. Championships.
In other events Thursday, the Canadian De Grasse won the 200m, his first Diamond League victory of 2017. De Grasse, billed as the top challenger to Usain Bolt, impressively pulled away in 20.01 seconds.
De Grasse now ranks No. 6 in the world in the 200m this year. American Christian Coleman is the world leader at 19.85 seconds. Bolt said he’s not racing the 200m in his farewell season.
Dutchwoman Schippers won the 100m on Thursday in 10.99. Olympic champion Elaine Thompson, fastest in the world this year at 10.78, was not in the Rome field.
In the women’s 5000m, Hellen Obiri broke the Kenyan record with her winning time of 14:18.37. Ethiopian Genzebe Dibaba, the 1500m world-record holder, was sixth.
Rio triple jump champion Caterine Ibarguen of Colombia lost for just the second time in her last 42 competitions since her 2012 Olympic silver, according to Tilastopaja.org. Venezuelan Yulimar Rojas, who took silver to Ibarguen in Rio, edged her by six centimeters Thursday (14.84 meters to 14.78).
There were more upsets.
Rio gold medalist Michelle Carter was third in the shot put. Rio silver medalist Sandi Morris was sixth in the pole vault.
The men’s 100m lacked any individual Olympic or world medalists, but it still produced a surprise winner in Brit CJ Ujah. Ujah clocked 10.02 seconds, while Pre Classic winner Ronnie Baker was third in 10.05.
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