Sometime I get no credit for killing turrets.

Sometimes when your killing turrets, if you don't get the final blow you get no credit. Messes with your stats and all that. In my most recent heim game I pushed down 7 turrets (2 top, 3 bot, 1 mid, 1 nexus)
Yet on almost all of them, despite me being there, AAing the turret, it didn't show me as either the killer or even an assist on it. End game stats showed me with 2 turret kills. This also could have potentially effected letter grade. Not a HUGE deal but its pretty annoying that you don't get credit when its due.