Folarin Balogun's red card has been a topic of intense discussion for nearly a week.First it was controversial. Then it was about how the United States would replace their suspended striker in the lineup. Finally, it was a surprising overturn of the decision, which seemingly allows Balogun to play Monday night in the World Cup Round of 16 against Belgium.For many, the incident itself may have come and gone without even realizing what all the hubbub was about.Clearly, the USMNT wants Balogun available. But what happened in the first place? For those who might've missed it, let's review.MORE: Singing Hey Jude as Bellingham sets epic World Cup recordHow did Folarin Balogun get a red card?Balogun earned a red card for a nasty-looking tackle during the Round of 32 against Bosnia and Herzegovina