![Wilson Tennis on Twitter: "Like if you think Tennis Balls are green Retweet if you think Tennis Balls are yellow https://t.co/EBNvJ0s5r0" / Twitter Wilson Tennis on Twitter: "Like if you think Tennis Balls are green Retweet if you think Tennis Balls are yellow https://t.co/EBNvJ0s5r0" / Twitter](https://pbs.twimg.com/media/EIeugOVXsAAw-iR.jpg:large)
Wilson Tennis on Twitter: "Like if you think Tennis Balls are green Retweet if you think Tennis Balls are yellow https://t.co/EBNvJ0s5r0" / Twitter
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What colour are tennis balls? Roger Federer finally confirms if they're green or yellow - Mirror Online
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