MLB Advanced Media apps MLB At Bat and WatchESPN as well as HBO Go support Chromecast. So it wouldn't shock me if Chromecast was supported.

They made MLB At Bat and quickly realized that nobody else was doing what they were doing on as many platforms as they were doing it on nearly as well.
It wouldn't shock me if this product performs better than HBO GO both because MLB Advanced Media has a great track record for this stuff and because there is no "select…