Esports rosters change constantly, and a team fielding a stand-in — because of illness, a benching or a denied travel visa — is materially weaker in a way that often is not priced until the match starts. These announcements appear on team social accounts and tournament admin channels, not on any structured feed. You monitor those channels directly, quantify each player's individual contribution, and act on lineup news within minutes.
Markets on Polymarket where roster-change, stand-in & visa-denial watch is the natural play:
