This document discusses how publishers can use esports to retain players in their ecosystem. It provides 4 key reasons for publishers to invest in esports: 1) It is cheaper to retain current players than attract new ones, 2) Content is consumed faster than it is produced, 3) Esports offers new experiences for players and viewers, 4) Players remain in the publisher's ecosystem even when they stop playing. It also outlines the top sources of monetization for publishers in esports through partner contracts, selling rights, bets, prize money, and selling tickets/merchandise.