FIFA World Cup 2018: Here's all you need to know about Fair Play rule, the new tie-breaker that led to Senegal's exit-Sports News , Firstpost

Japan were able to advance to the Round of 16 because they received fewer yellow cards than Senegal. Here

Senegal ask Fifa to revise new fair play ruling - BBC Sport

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World Cup: Senegal eliminated on obscure FIFA tiebreaker

World Cup 2018: Senegal eliminated on fair play tiebreaker

Senegal crashes out of World Cup on fair play rule as Colombia qualify for last 16

Neymar - Wikipedia

Senegal crashes out of World Cup on fair play rule as Colombia qualify for last 16

Why Senegal was eliminated from the World Cup thanks to yellow cards

Senegal out of World Cup on yellow cards, fair play tiebreaker - Sports Illustrated

Senegal crashes out of World Cup on fair play rule as Colombia qualify for last 16