'Most boxers don't lift weights, that's kind of the no-no in boxing. But when you're putting on weight, it has to be muscle. You can't put on fat, you can't put on anything sluggish,' Porter told the...

Terence Crawford refused to retire from professional boxing after overcoming Canelo Alvarez on Saturday, despite rumours that he could call time on his career.

Crawford boxed rings around his bulkier opponent in a sensational display of pugilism that earned him a unanimous decision on the scorecards (116-112, 115-113, 115-113).