Sorry just reread your post. I thought You meant you wouldn't be able to at the amex. But you were in fact saying you can. Which isn't a shame it is in fact great :)
Out of interest do you think you'll be able to take your beer back to your seat during the rugby? I know there are laws with football that prevent drinking in the stadium, that don't apply to other sports, I just wondered if it was part the Albions licence or not.