think that it's pretty rare in BuzzerBeater, but yes i've had a player ejected before.
a flagrant foul isn't actually a tech... on a flagrant foul the team gets *2* free throws *plus* the ball back. it's basically when you commit a really hard foul & risk injuring someone. & yeah the 2nd flagrant is an automatic ejection.
btw, it's an NBA rule too. except i don't think BuzzerBeater has the type 2 flagrant foul, like this:
(http://www.youtube.com/watch?v=ZBfvmJIxwPQ)