> 
> I'm popular in Mexico.  
> 
>  But if you mix me up, you'll find me more often in Canada.  
> 
>  With a small addition, I'm found around both, and in between.  
> 
>  Mix me up again and I'll be at your throat.  
> 
>  Another addition, and I'll be at the game.
> 
> 
> 

What am I?