[CLIENT] In Game Lag/Ping Issues + High Client Memory Usage After Game... then client crashes...

As many people are reporting, I'm experiencing:

1.** Strange In Game 'Lag' & 'Ping Spikes'** for lack of a better term. I don't really know the cause of the issue, but the behavior is similar to network lag. However, I also noticed after the match was over, the
2. Unusually High Client Memory Usage which persisted even after my match had ended:

http://i.imgur.com/weNkNoO.jpg

This isn't unusual in itself, many other people have reported client 'memory leaks' but this time it was completely out of control, so much so that eventually the entire client became unresponsive and I had to manually end the process:

http://i.imgur.com/cD0SLJ2.jpg

Is this related to the recent patch? No idea.