Using the same site and looking at platinum+ and diamond+ seems to show some significant variance in the data, though. I'll ignore Kayn and Nocturne so we can go from the all-rank <50 winrate for each.
Mid Plat+: https://lolalytics.com/lol/tierlist/?lane=middle
Qiyana at 51.22, Talon's at 50.58, Zed at 50.41, and Pyke's at 50.36.
Mid Dia+: https://lolalytics.com/lol/tierlist/?lane=middle&tier=diamond_plus
Qiyana's at 53.32, Talon at 52.58, Zed at 51.03, and Pyke at 50.99.
Jng Plat+: https://lolalytics.com/lol/tierlist/?lane=jungle
Rengar's at 52.78, Kha'zix at 52.09, Qiyana at 50.90, Talon at 50.51, and Zed at 48.45.
Jng Dia+: https://lolal...