With the introduction of Reyna and Skye, and the nerfs to Sage's heal in patch 1.07, it seems as if Sage's label as the "healer" is a bit of a reach at this point. Ignoring Reyna and Phoenix because their heals are strictly self-healing...

It's talked about quite often that players should be warming up before a ranked session, but no one ever talks about re-warming up. After a few games or maybe a tilting loss, you may notice your aim and focus going away and not what it was...

It's becoming increasingly common to go into an unrated lobby and have someone complaining about how bad their team mates are. I usually play unrated with my friends who have big rank disparity and my lower ranking friends always get abuse...