When the bet was placed, Cook was just 18-years-old and on the fringes of the Leeds United first-team squad.
Trevor Burlingham placed a bet at 33-1 in 2014, in his local William Hill shop in Tadcaster, that Cook would make his debut before reaching his 26th birthday, and the 21-year-old came on as a substitute in the 1-1 draw with Italy at Wembley on Tuesday.
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But after coming on as a 71st minute substitute to replace Jesse Lingard at the same stadium, Cook's grandfather pocketed the mammoth sum.
Sensing an opportunity, Burlingham placed a £500 bet on his grandson picking up an global cap with England before the age of 26 at odds of 33/1.
Cook transferred to Bournemouth when he was a late teen in 2016, and his performances at the Premier League club caught the attention of England boss Gareth Southgate, who recruited the player to the national squad for Tuesday's game against Italy.
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In addition, Roanne Sones, general manager of Strategy and Ecosystem for Windows and Devices , will become part of Zander's team. Leadership roles in these four teams were assigned to Panos Panay , Joe Belfiore , Kudo Tsunoda, and Brad Anderson respectively.
Just a matter of months after leading the Young Lions to Under-20s World Cup glory, the Bournemouth midfielder was drafted into the senior squad for the first time last November.
While Harry Wilson, who recently scored his first senior global goal, earned his grandfather Peter Edwards a cool £125,000 after his maiden cap for Wales in 2013.
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Miguna's attorneys argued that they should serve jail time, but the judge instead fined them $2,000 each. Miguna supported Odinga's campaign to discredit the president's re-election.