CardLine WC
A World Cup companion that tracks every player's yellow-card accumulation across group and knockout phases and tells you, before each match, whether a star player is one booking away from suspension.
Fantasy World Cup players and casual fans managing bracket-style prediction pools
- Per-player card ledger updated from official FIFA reports within minutes of each match
- Matchday-by-matchday availability forecast (e.g. "Saka is on 1 yellow — at risk vs. Colombia")
- Personal squad tracker so you know which fantasy picks are walking a disciplinary tightrope
- Push alerts when a key player in your bracket or fantasy team picks up a caution
The 2026 World Cup knockout stage introduces a wipe-after-quarters rule most casual fans do not understand, and trending interest in yellow-card mechanics confirms confusion is widespread right now.
Multiple mainstream outlets (Sporting News, USA Today, Metro, OneFootball) publish explainers and live trackers of yellow-card suspension risk, and queries like 'bellingham yellow card' trend, confirming widespread fan confusion about the new wipe-after-quarters rule.World Cup yellow card warning tracker: Updated list of players in... ↗
Web-based trackers already exist (The Go Ahead Goal's fair-play tracker, sport-news.ca's warning list, Sporting News' running list) and majors like OneFootball/USA Today surface this info in articles, but no dedicated player-level yellow-card accumulator app surfaced in search.FIFA Fair-Play: 2026 World Cup Yellow Card and Red Card Tracker ↗World Cup 2026 Yellow Card Suspension Warnings - sport-news.ca ↗
Prediction/fantasy WC apps (Superbru, PrediBall, Playoff Pick'Ems, FIFA Play Zone) do monetize via premium tiers and pool management, but yellow-card tracking on its own is typically free media content, making it hard to charge for as a standalone utility.Best World Cup Pool Apps 2026 — Free & Paid Options Compared ↗2026 World Cup Prediction App | Private & Public Pools | PrediBall ↗
Tournament is only ~5-6 weeks every 4 years; off-cycle relevance is low and the exact wipe rules change each cycle, so retention and recurring revenue are weak without adding other tournaments (Euros, Champions League).
Yellow-card data is available via existing sports feeds and tournament schedules are published well in advance, so a notification/aggregation wrapper is buildable by a small team in weeks.