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Underdog Sportsbook Promo Code FOXSPORTS Offers $50 Bonus for New Users

Polymarket is offering new users a $20 bonus when they trade on Major League Baseball games using the promo code FOX. The promotion coincides with Monday's MLB slate, featuring matchups such as the Chicago Cubs versus the Chicago White Sox, the Los Angeles Dodgers against the Colorado Rockies, and the San Diego Padres facing the New York Mets.

2 published stories · underdog · source reliability 33%

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Sport

Underdog Sportsbook Launches $50 Bonus Promotion for New Users Amid MLB Playoff Push

The offer applies to MLB matchups and extends to the 2026 NFL season and college football, coinciding with active preseason action.

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event-brief

Underdog Sportsbook Promo Code FOXSPORTS Offers $50 Bonus for New Users

Polymarket is offering new users a $20 bonus when they trade on Major League Baseball games using the promo code FOX. The promotion coincides with Monday's MLB slate, featuring matchups such as the Chicago Cubs versus the Chicago White Sox, the Los Angeles Dodgers against the Col

Reporting trail
Fox Sports | https://www.foxsports.com/stories/betting/polymarket-promo-code-fox-get-20-bonus-when-you-trade-your-favorite-mlb-game-monday | published 2026-08-18T00:18:36.000Z | primary sourceFox Sports | https://www.foxsports.com/stories/betting/underdog-promo-code-foxsports-play-5-get-50-bonuses-mlb-any-other-sport | published 2026-08-18T00:03:01.000Z | primary sourceFox Sports | Primary source of the promotional offer details and affiliate disclosure.Event digest | Confirms the core offer mechanics and associated sports leagues.Retrieved context | Provides cluster summary confirming the promotion's scope and timing.

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entity brief

Underdog Sportsbook Promo Code FOXSPORTS Offers $50 Bonus for New Users: key people and institutions

Key entities: Polymarket, FOX Sports, Major League Baseball, Chicago Cubs, Chicago White Sox, Los Angeles Dodgers, Colorado Rockies, San Diego Padres.

source brief

Underdog Sportsbook Promo Code FOXSPORTS Offers $50 Bonus for New Users: reporting sources

Fox Sports | https://www.foxsports.com/stories/betting/polymarket-promo-code-fox-get-20-bonus-when-you-trade-your-favorite-mlb-game-monday | published 2026-08-18T00:18:36.000Z | primary source | Fox Sports | https://www.foxsports.com/stories/betting/underdog-promo-code-foxsports-