They taunt Ryan Braun the moment he steps into the on-deck circle. They scream at him while he's at the plate, boo as he catches fly balls.

Braun never flinches.

Oh, he hears you. The cascade of boos drowns out most of the personal nastiness, but he hears the hate. The vindictiveness.

Yet, he looks into your eyes, and adamantly insists that it doesn't faze him.

If you think you're going to break him, you've got the wrong guy.

Playing in front of a Cactus League record crowd of 14,770 at Cubs Park in Mesa, Ariz., on Sunday, Braun refuses to succumb, just as he has this spring from opposing fans at Brewers' home games.

"Dude, say what you want about me, but I am strong,'' Braun says in an exclusive interview with USA TODAY Sports. "Mentally, and emotionally, I am strong.