Tom Brady won April Fools' Day.
The six-time Super Bowl winner joined Twitter on Monday, announcing his arrival with a first tweet that read: "I'm retiring. In my spare time, I'll be tweeting."
It seemed his team, the New England Patriots, and Twitter were in on the joke. The 41-year-old quarterback followed up his announcement an hour later by tweeting: "Was this a bad joke?", with the Patriots responding with a meme saying "yup".
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In February, after claiming a record sixth Super Bowl ring, Brady had said he had no intention of retiring.
Brady's joke was just one of many from the sporting world on Monday, with the likes of the All Blacks and Ian Holloway pulling our legs...