If you look up VLR agents used within 90d, Suygetsu played Viper, KJ, and Cypher and Alfajer played KJ, Cypher, Chamber. Pro's like Nats consider Viper as a Sentinel/Controller. In games, Suygetsu's role is always a Sentinel role isn't it? Not saying he's better than Alfajer but also a player worth noting on the role