Amir Khan returns to the ring this weekend in what should be a relatively straightforward fight.
Opponent Julio Diaz is 33-years-old and has seven losses on his record, five of them by KO.
The Mexican has won 40 fights, 29 coming by KO, which does suggest that he has punching power, always a danger where Khan is concerned.
Diaz drew last time out against unbeaten yank Shawn Porter but he has been KO'd in three rounds previously by Kendall Holt so it could be an early night for Khan.
He won the IBF Lightweight title in 2007, knocking out Jesus Chavez, but then lost it later the same year to Juan Diaz.
At 33, Diaz is probably at the wrong end of his career but being a former champion is just right for Khan, after the Bolton fighter lost two of his last three fights.
Khan's loss to Lamont Peterson can perhaps be dismissed, as it later emerged that Peterson had failed a drugs test. But the Bolton man's devastating KO to Danny Garcia raised all the old doubts that Khan has a vulnerable chin so anything could happen.
Khan thanked Diaz ahead of the fight, calling him brave for coming to England to fight him. Speaking to reporters he said: “I need to thank Julio Diaz for coming all the way from America.
“Not many fighters do what I do - I go to their hometown or home country and fight them there, with my world titles.
“But no-one likes to come to me and fight in my home country, so it is great Julio Diaz has shown bottle and come over.
“Julio is coming down from 147 to fight me, that is why we have made the fight at 143.
'We are going to be ready and strong at this weight. It is the first time I have been heavier than 140 for a long time but I think it will suit me.
“This fight will straight away elevate us back into world-title fights.
“But I am not thinking any further than this fight yet. I just want to get through this one and then we will know exactly where we are.”
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