"Fractured pelvis, three hip surgeries, a snapped ankle ligament ... I could keep going if you want," he said.
So, what has prompted the turnaround in form?
"I'm injury-free, that's a big start and I'm really, really fit. I've done a lot of work with our trainer Greg Owen and Jordan Drinkall, his assistant. I've been doing a lot of CrossFit to try to get more explosive and really work on the power side of things."
As for the food options, McClenaghan has given up bread and pasta.
"The diet's been massive as well. No sugars, no breads, no nothing, really. Just good veges and broccoli, lots of broccoli. I've learned to love it."