Anthony Joshua vows to return and insists shock Andy Ruiz defeat is 'all part of his legacy' despite losing his four world title belts

ANTHONY JOSHUA described his shattering first professional boxing defeat as "all part of his legacy".

Making his US debut at the world famous Madison Square Garden, the Brit was on the end of one of the biggest shocks in boxing history.

He was floored four times on the way to being stopped in the seventh round by 25/1 outsider Andy Ruiz Jr to lose all his heavyweight world titles.

But after the fight AJ was magnanimous in defeat, even flashing a broad grin and posing for photos with stunned fans.

Speaking to Sky Sports, Joshua, 29, said: "Boxing is a tough sport, but I train hard and I got beaten by a good fighter.

"It will be interesting to see how far he goes, but this is all part of the journey.