While other tennis tournaments rely mostly on ball boys and girls, the U.S. Open has long included adult ‘ball people.’ This year, grown-ups are more valuable than ever.
WSJ.com: US Business, Wall Street Journal: Business
Thu, 09/03/2015 - 6:04pm
While other tennis tournaments rely mostly on ball boys and girls, the U.S. Open has long included adult ‘ball people.’ This year, grown-ups are more valuable than ever.