Has anyone else had difficulties streaming MLB.TV lately? I have stuttering issues, low frame rate, and then "bounce-backs" when video plays, then bounces back a few seconds before cutting out. Specs: 2017 27-inch iMac, 3.5 Ghz with 40 MB RAM; newest flash downloaded right off of Adobe's site; Internet that tests at 80 down/5 up. Problem happens with both Safari and Chrome. Netflix, Amazon, YouTube, et al, play fine.