Johnny Walker has announced his intention to move up to the heavyweight division. Walker revealed that he sparred with Francis Ngannou while dieting and carrying a 20 kg weight disadvantage, yet felt comfortable working with the former heavyweight champion. He explained that weight cutting severely hampers his training, causing dizziness and low energy due to carbohydrate restriction. Walker believes he would perform much better at heavyweight where he could train at full capacity without the debilitating effects of a strict diet.
