Who wins?
Leona vs Thresh
Thresh wins 73% to 27%. 136 more put them in the same row. From League of Legends: Supports Tier List. Pick a side.
ChunkyGoblin on Leona: leona was S on 26.12 at 53.3% and has been A or better all year
sam_p9599 on Thresh: thresh hit S+ on 26.12 and never left it through 26.20. 53.4% win rate that patch
League of Legends: Supports Tier List: the full ranking