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Enzo Maccarinelli has admitted he has one last chance to save his boxing career under top promoter Frank Warren.

The former cruiserweight world champion on his light-heavyweight debut in 91 seconds in London on Friday.

"As long as I'm impressing Frank will put me on," said the Welsh boxer, who had .

"He was one encouraging me to retire. If I had failed to impress, I don't think I would have had another chance."

Maccarinelli is aiming to rebuild his career following four defeats in his last eight fights and a 14-month absence from the ring.

He demolished Hungarian Marosi at Bethnal Green's York Hall inside the first round and the 31-year-old is targeting a world title shot after proving his worth to Warren.

"I should have always been at this weight because I made the weight cut easy," said Maccarinelli.

"I want a world title shot whichever way I get a chance. That performance just scratched the surface of what I can do at light-heavy."

The Swansea fighter is one of just 11 Welshmen to win a world title and made four defences of his WBO cruiserweight belt before in March 2008.

Maccarinelli has lost three of his eight bouts on his comeback trail - but to claim the European cruiserweight crown in April 2010.

Now he has slimmed down to light-heavyweight, the 6ft 4ins powerhouse ultimately wants another domestic clash with unbeaten WBO light-heavyweight champion and fellow Welshman .

However, he said: "That would be a massive fight but it's not the next one.

"Now I want to get back in the ring and fight as quick as possible."