Tony McCoy, who secured his second Gold Cup victory after Mr Mulligan took the title in 1997, said: "He's an amazing horse and it was an amazing performance. I'm so pleased to win it for JP as he's been so good to me.
"Jonjo has done an incredible job. I've got a Grand National and a Gold Cup out of the man and I love him to bits."
More top news
Floyd Mayweather preserved his unbeaten record with a unanimous points victory over Manny Pacquiao in their superfight
A group of nearly 300 Nigerian women and children rescued from Boko Haram extremists by the military have been brought to a refugee camp.
Unsurprisingly the birth of the Duke and Duchess of Cambridge's daughter has dominated Sunday's front pages and taken up many column inches.