Rafael Nadal has a fondness for practical jokes but when he found himself 4-0 down to Thomaz Bellucci of Brazil on Tues everything suddenly got serious.
If Andy Murray can play much better than this, it would be scary.
Preamble: It's a battle of aces tonight at Citi Field as the New York Yankees take on the New York Mets, but one of those aces isn't one you would normally imagine.
As if having an entire nation on his back was not burden enough going into Wimbledon, Andy Murray has had to shake off the combined weight of a galaxy of former players in recent weeks who doubt the extent of his back problems. On Saturday night, angered to the point of combustion, he invited the sceptics to come and examine his medical records.
If anyone can light up Wimbledon on a grey day, it is Maria Sharapova, yet there will always be a hint of Russian melancholy about her, as if life some times is too good to be true and therefore should be treated with suspicion
Boston’s Olympic bid is looking likely to fail before it even gets to the starting blocks. On Monday, the Boston mayor, Marty Walsh, said he would not sign a host city contract with the US Olympic Committee (Usoc) until he knew the financial implications of the agreement.
No athlete in history has earned as much per second as Usain Bolt but the long line of punters queueing out of the Queen Elizabeth Olympic Park for last-minute tickets on a grotty, sodden Friday night suggested he was worth his fee, whatever it was (the whispers on the athletics circuit, where everyone is paid in dollars, start at $100,000 and rise steeply thereafter).
Chris Froome has successfully negotiated the formality of a procession from Sèvres into Paris to win his second Tour de France in three years.