I can't tell you how much i'm looking forward to drinking in the stadium.
Soft drinks only really, stop any aggro and fighting, with people drinking it will only make them violent.
Real Ale doesn't make people get aggressive, it usually makes them a bit loud (Ideal for a football match) then with more makes them go to sleep. I worked at CAMRA GBBF at Olympia/Earls Court for 15 years and I never saw a beer-fight caused by real ale. Some idiots who were already tanked up from drinking the polluted stuff available elsewhere would occasionally come in and get a bit argumentative, but I don't think we had to call the police more than a couple of times over the years, for crowds of up to 60,000.
How many football grounds have been to (and everyone else thats suggested Harveys or Dark Star or whatever) where they have a local brewarys bitter on hand pump for sale?!
Brentford they don't need to, a pub with Real Ale on all four corners as is well-known. I've only drunk in two of them so far though (that I remember...)