Sheryl Ring details the one year extension reached between the Angels and Anaheim to keep them in the stadium through 2020. They hope that gives them time to reach a longer-term deal.

So despite how the deal has been framed – as a way for the two sides to buy time to reach a more long-lasting arrangement – this extension is no guarantee that an agreement will, in fact, be reached. And most interestingly, the one-year extension keeps open the possibility that the team could consider a jump outside of California – particularly given the recent development that Portland may be ready for a major league team as soon as 2022.

FanGraphs.com

I suspect the Angels will do much better continuing in Anaheim than moving to Portland.