Bugsplat During Ranked
This has already happened to me before a while ago, but now I want to bring it up to the boards.
I was simply loading into a ranked game and then it automatically crashed and said there was a problem with the client and must restart. I wouldn't be furious about this, although this time, and the time before it has caused me to lose the regular amount of LP for a loss AND gift me with a leaver buster. I'm not saying the client crashing is riot's fault (although I believe they should do a better job controlling bugs), but you definitely shouldn't give a leaver buster, AND negating LP.