http://wwegaming.com/wwe-2k14-indooroutdoor-football-stadiums-confirmed/

WWE 2K Creative Director, Cory Ledesma has officially confirmed that there are 7 different arena types and sizes playable in 30 Years of Wrestlemania Mode.

These include new large indoor/outdoor football stadium sizes.

Here is the official tweet confirmation by him.

Cory Ledesma @RealCoryLedesma

In #WWE2K14 we have 7 different arena types and sizes for #30YearsOfWrestleMania. Including new large indoor/outdoor football stadium sizes.
2:49 PM - 30 Aug 2013

Hopefully this means we can use those sizes for create a arena if that will be in