I disagree with the people saying BFA has no reward to be chased. This sweet white tint on the warfront armor can only be obtained through rated PvP, and this season only :
Battle for Azeroth Season 1 PvP Rewards and Transmog - Wowhead News
This is just the elite tier PVP plate set for Season 1 in BFA but I really appreciate having a brand new Alliance themed set seeing as I role-play a Knight. :
Battle for Azeroth Season 2 PvP Rewards and Transmog - Wowhead News
Battle for Azeroth Season 1 PvP Rewards and Transmog - Wowhead News