Kevin Anderson claims he will be too strong for Kevin McIntyre tonight after putting his body "through hell".
Anderson lost the British welterweight title to his fellow Scot in a surprise defeat in November, but a two-month stint training under Bob Shannon in Manchester has reignited his desire.
McIntyre has also stepped up his training after taking two months off from his job as a postman, but Anderson claims it will not be enough tonight at Glasgow's Kelvin Hall.
"I know what to expect from me and that's enough," Anderson said. "I have put my body through hell down in Manchester for eight weeks.
"I am ready for this - whatever he brings is not going to be good enough. Everything has come together, I have never been so focused.
"The head movement, the speed is there, the power is there, it's clicking at the right time and I'm going to get my title back."
The Fifer wrapped up his preparations by putting sparring partner Johnny 'Rocco' Hussey, who has lost only once in 10 bouts, on his backside.
Anderson, 24, said: "I have been really good in sparring, I am sharp and strong. I have put a couple of them down.
"It's great boys I am sparring with, they are not novices, they are all undefeated fighters. It does your confidence good when you are too sharp and strong."
McIntyre, however, claims he is ready for anything Anderson can throw at him.
The Paisley fighter said: "I expect a tough fight again. Being a champion, I'm not going to underestimate anyone.
"I know they are going to be queuing up to take my title off me. Whether it's him or somebody else, I need to keep myself at the top of my game if I want to keep it.
"I will just go in there and try to win it round by round again.
"I'm prepared for 12 hard rounds so if it goes the distance, I am more than ready for it."
Defeat could prove disastrous for each fighter's career, with 29-year-old McIntyre unlikely to get another title shot.
But, on the flip side, his manager Barry Hughes believes victory could set him up for even bigger fights.
"Because of the stage Kevin is at in his career, every fight is so important," Hughes said.
"He can't afford any slip-ups whatsoever. He will be putting on a great performance as he did the last time and there is no doubt in my mind he will be walking out as British champion.
"There is even maybe chat about world-title shots after this with certain people that are within our radar.
"The WBU belt, there is a good challenge in that, but I hate looking beyond the fight in front of us.
"It's a difficult fight, I'm sure Kevin Anderson will have an explosive first four rounds.
"I feel the fight will be decided in the first four to six rounds."
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