Coming from Australia and playing rugby, you just think that soccer is a bit soft, but I'll tell you what - it's not. It's rough as guts. It's great.

When you're an actor, you're mollycoddled, and you're treated with kid gloves. Everyone is like, 'Can I get you some water?' or 'Can I put on your slippers?'

I am used to training 10 to 12 sessions a week, so I have the physical and mental endurance that comes with being an athlete.

Free-diving is all about being lean, being super-flexible, and having a good breath hold.

Brazil was a very good experience. I learned a lot about how to play football, both technical and physical. There would be a hundred kids of all ages, training and doing classes together.

I never thought I was going to make a career out of tennis, to be honest, until I was 10 or 11 years old. One of my earliest memories is when I was seven, and I was competing against players that were three, four years older than me. I didn't take it too seriously at the time. I was having a lot of fun.

In life, as in football, you won't go far unless you know where the goalposts are.

Certainly, our work has identified CTE in many professional football players, but we're also seeing it in a very high percentage of college players.