It came out of nowhere.
Andy Murray appeared to be cruising to a second-set tiebreak in Sunday's Wimbledon final, having won 15 of 16 points on his serve and leading 30-0 at 5-6. Then, without warning, Roger Federer tied up the game at 30-30 and played two brilliant points to break for the set.
He'd go on to win the next two sets and tie a record with his seventh Wimbledon title.
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