Yes, and even they were not a bottom 5 spending team, which have not won in a very very long time.
The Marlins were not always in the 24-26th place area back around 2003, but that year, they were.
They were clearly the outlier.
Other teams have remained competitive for long periods of time, while spending little, but getting over the championship hump has remained ellusive to the Rays, A's and other teams like them.
The Royals have been notorious for low budgets, but they went up to 12th the year they won it all. Maybe that's what the A's and Rays could do- just once. (Doubt it happens, though.)