FRENCH OPEN '17: 30 is the new 25 in men's tennis right now
FILE - In this June 8, 2014, file photo, Rafael Nadal bites the trophy after winning the men's singles final of the French Open tennis tournament against Novak Djokovic, in Paris, France. Heading into the French Open, the men at Nos. 1-5 in the ATP rankings are all 30 or older for the first time in history. (AP Photo/Darko Vojinovic, File)
Tennis star Rafael Nadal
Rafael Nadal pulled out of the London Olympics on Thursday due to injury.