There's usually one. The player who makes an immaculately-timed dart to earn inclusion in the England squad for a big tournament, their late season form too irresistible to ignore.
Ahead of the 2018 World Cup it was the uncapped 19-year-old Liverpool defender Trent Alexander-Arnold and midfielder Ruben Loftus-Cheek, who'd played well on loan at Crystal Palace from Chelsea.
In 2016, it was Manchester United's 18-year-old striker Marcus Rashford, who'd just burst onto the scene, and two years earlier it was Everton's Ross Barkley and Southampton's Luke Shaw.
Mason Greenwood made it eight goals in 11 matches for Manchester United by scoring in Tuesday night's home defeat by Leicester City
As England manager Gareth Southgate finalises his squad of 26 for the Euros, Greenwood has made an irresistible case for inclusion in recent weeks
This time around, it looks increasingly likely to be Mason Greenwood.