In 1999, the National Football League (NFL) began allowing teams to challenge officials’ calls using instant replay. Why do you think this continues to be a controversial rule?What are the pros and cons?

instant replays slow down the pace of games altering a great part of watching a game live for their War instant replays can serve as a delay for players to catch their breath or cause a team that has momentum to cool down. It's very controversial because most people thinks that it can alter the outcome of who wins the game. the Pros are that when a team calls for an instant replay it could help them. and the cons are it could also help them lose momentum and maybe possibly lose the game because of it

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