League of Legends Ranks – The Ultimate MMR Table Complete breakdown of all 40 League of Legends rank divisions including their MMR range, tier, and popularity. Iron IV 800 – 850 MMR 3.5 % of players Iron III 850 – 900 MMR 3.2 % of players Iron II 900 – 950 MMR 2.9 % of players Iron I … Continue reading League of Legends Ranks – MMR Table