Originally Posted by Austinrunner
There is no numerical stopover limit on a oneworld award using AA miles, so long as you do not exceed the 16 segment limitation and do not stopover in your originating city. I do not know where you're getting the 2 stopover limit, because it simply doesn't exist.
There is a limit (1) and it does exist (aa.com):
Routing: Members may fly unlimited segments and may stop in each city once, but may not connect in the same city more than twice. Passengers may not stopover or connect in the city where travel originated.
Edited to add AA source link (main AA Oneworld Award page),
here.