Tennis Channel on Twitter: "Tennis balls used to be white...but why'd they change to "optic yellow"? #TennisDYK https://t.co/iM9RW9DStJ" / Twitter
TIL tennis balls used to be white until Sir David Attenborough realized they'd be hard to follow on color television so the sport created "optic yellow" balls. : r/tennis
White Rubber Wilson Regular duty tennis ball, Packaging Type: Box