09/05/2015
https://www.yahoo.com/sports/news/no-excuses-wilting-heat-says-federer-035245187--ten.html
Roger Federer insists there are no excuses for players wilting in the US Open heat after the number of retirements reached a Grand Slam record 12. After 10 men quit in the first round, Jack Sock of the United States and Uzbekistan's Denis Istomin retired on Thursday. Despite temperatures rocketing t…