By Ben Husband Corach Rambler unseated its rider at the first fence as hopes of winning a second successive Grand National were dashed seconds into the 2024 race. The Lucina Russell-trained horse won the 2023 edition and was partnered with Derek Fox again in an attempt to regain their crown. However, despite being the pre-festival favourite for the race, Corach Rambler’s defence lasted just a matter of seconds after unseating Fox after falling at the first fence. Changes to the Aintree showpiece had been implemented with the hope of reducing the amount of fallers at the opening jump, including…