Support tier list – patch 16.17

#	Champion	Tier	Win rate	Pick rate	Ban rate	KDA	Games
1	Thresh	S	58.6%	16.2%	8.4%	2.69	58
2	Lulu	S	62.2%	10.3%	10.3%	3.29	37
3	Seraphine	A	61.8%	9.5%	12.0%	2.56	34
4	Pyke	A	60.0%	7.0%	20.1%	2.30	25
5	Yuumi	A	53.8%	10.9%	8.1%	4.94	39
6	Soraka	A	57.7%	7.3%	2.0%	2.98	26
7	Morgana	B	52.2%	6.4%	23.5%	2.48	23
8	Karma	B	56.5%	6.4%	2.5%	2.28	23
9	Lux	B	53.6%	7.8%	4.2%	1.84	28
10	Janna	B	60.0%	2.8%	1.1%	3.40	10
11	Braum	B	52.2%	6.4%	7.0%	2.56	23
12	Zyra	B	54.6%	3.1%	3.1%	2.24	11
13	Pantheon	B	54.6%	3.1%	2.5%	1.95	11
14	Brand	B	50.0%	3.9%	4.2%	1.98	14
15	Blitzcrank	C	46.7%	4.2%	12.6%	2.23	15
16	Senna	C	50.0%	3.4%	2.0%	2.87	12
17	Alistar	C	50.0%	3.9%	0.3%	2.71	14
18	Leona	C	42.3%	7.3%	20.1%	2.44	26
19	Sona	C	46.2%	3.6%	0.0%	2.49	13
20	Nautilus	C	41.2%	9.5%	16.2%	2.10	34
21	Nami	C	41.7%	10.1%	1.4%	2.85	36
22	Swain	D	38.5%	3.6%	3.9%	1.72	13
23	Vel'Koz	D	36.4%	3.1%	3.6%	2.41	11
24	Milio	D	34.6%	7.3%	5.6%	3.49	26
25	Rakan	D	16.7%	3.4%	0.0%	2.00	12

Tiers: the top 8% of a role's score are S, the next 17% A, then B (30%), C (30%) and D. The score is a Bayesian-smoothed win rate (30 pseudo-games at 50%) plus a small bonus for pick and ban rate. Click a column header to sort.