I may not Quote by Dirk Nowitzki

I think I'm a really tough player.

— Caroline Wozniacki

There are lots of mentally very tough players that I have played against and with.

— AB de Villiers

For the most part I consider myself a mentally strong player.

— John Isner

I may not be the most physical player, that's not my nature. But I am a competitor and I play as hard as I…

— Pau Gasol

Believe me, I can be tough, physically and mentally.

— Rita Tushingham

It doesn't matter how tough you are. It doesn't matter how smart you are or what a great leader you are. None of that…

— Troy Aikman

I'm tough on the players. I think you need to be tough on them so they can be disciplined.

— Brian Flores

No matter who I'm playing against, they're going to say that I'm one of the toughest guys they play, for sure.

— Avery Bradley

Every game is mentally and physically tough but we get through it and it makes you stronger.

— Simon Mignolet

There have been moments in my career when I've had to be tough and I've had to step up to the plate - but…

— Tamara Mellon

What makes you tough is your mindset and I believe anyone can be tough.

— Rickson Gracie

I suppose there is a lot of toughness in me.

— Boy George