Nothing for being a good team-mate
Riot is so focused on punishing people, that they forgot about the privileges of the good. I disconnect in a game, and I need to type the "I agree" not to dis-connect because I had a power outage. What about all of the +1 good team-mates, and friendly's I've had over all my games. I generally get one every other game yet it goes completely unnoticed by Riot.
You get a little angry in just one game, and it's like Riot is at your front door kicking it in. If Riot gave decent reasons to be a good player in this game, aside from the possible ban (people just make new accounts anyway) than maybe the player base would strive for something more. IP incentive, possibly even RP incentive for being a good, constructive, well mannered player.