
Racing expert reveals the one horse that could cause the biggest upset at this year’s Grand National
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Published 12:23 27 Jul 2016 BST
Updated 12:27 27 Jul 2016 BST

The extra substitute in extra-time was used at the Copa America earlier this summer, after the International Football Association Board, who set football's rules, changed the rule earlier this year.
A fourth substitute will be allowed in extra-time will also be used at the Rio Olympics, and the Club World Cup later this year.
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Racing expert reveals the one horse that could cause the biggest upset at this year’s Grand National
Sport