How to change from 2 columns to 1 column on Homepage

[mmafight]

Hello,

I'm trying to modify my current homepage setup over at http://MMAFight.com.

I'd like to convert my top 2 columns (UFC and MMA News, UFC and MMA Videos) to just 1 column so it follows the same pattern as in hpbottom (UFC Chicks). Both of these categories will basically be combined and it will extend from the FCG to "More MMA Headlines."

However, since each of the top 2 columns are different categories, I'm not sure what's the best approach here. I want to be able to update my content, but would like the posts to display in the same order in which I update it since I won't be having the 2 columns anymore.

Any help would be greatly appreciated.

Thanks in advance!