Robert Cooper, Sky Sports Racing’s roving reporter, shares his spine-tingling and sphincter-gripping moments from the National

For many that nostalgic nudge invigorates the hairs on the back of your neck to prickle, but for me it’s all in the knees. Revisiting Grand Nationals gone by is the proof of the pudding; Red Rum left my patella unmoved, probably because I never backed him, but Leighton Aspell winning on Many Clouds had me twitching like Usain Bolt before an Olympic final. And I wasn’t even there. Another recent kneecap moment was One For Arthur in 2017, a...