has any one else been in the middle of a game and then all of a sudden it makes you spectate or makes you go back to the main menu.

Were you host by any chance, last few days I have had major issues with the online when I am made host but the sheer lag from international connections in the game have had the game kick me out of the match and LIVE

No. I've always received the host migration screen and if the host dashboards out, it kicks me out.

not lately been kicked as host or not, not sure what changed. migration actually works mostly now, again not sure what changed.