Last week, I posted an idea about having a MLB 2020 season all in Arizona. It turns out that MLB was considering that anyway, and I posted about that here and here.
The usual caveats apply to this — it can only be done if widespread COVID-19 testing is available and a long list of logistics could be worked out.
Friday, Bob Nightengale of USA Today wrote about another proposal for a 2020 season. It involves teams based at their own spring training sites in both Arizona and Florida:
The plan would have all 30 teams returning to their spring-training sites in Florida and Arizona, playing regular-season games only in those two states and without fans in an effort to reduce travel and minimize risks in the midst of the COVD-19 pandemic.