Instead of putting a team in a few places like the West Coast A's in Oakland (or Sacramento) and Las Vegas, one could simply put the Rams in LA calling them the West Coast Rams and maybe even do pre-season in Portland. Anyways, there are a few ways to dice it, like putting the West Coast Clippers in Seattle also.
Boston and LA aren't struggling in the basketball seat or television department, but if they ever did a consistent place-of-play expansion to one extent or another, imagine the apparel sales for a Celtic or Laker nation jerseys and caps.
Look at some of these towns:
See much more talk for expansion, co-location and relocation for big league football, baseball, basketball, hockey and soccer on my blog