The NFL features some of the most superior athletes in the entire world playing an extremely dangerous game. Football is one of the most violent possible sports, with massive athletes colliding in a, sometimes, chaotic fashion. The nature of the game has resulted in a ton of injuries during every NFL season.While injuries are an unavoidable part of football, some injuries are much more serious than others. In some of the most extreme cases, a player's life could be in jeopardy due to an injury they have suffered on the football field. Here are five NFL players who could have potentially died from an injury they suffered during a game.#1 - Darryl StingleyDarryl Stingley | Image Credit: The ScoreDarryl Stingley spent all five seasons of his NFL career with the New England Patriots as a wide receiver. His numbers have consistently improved in each of his last three seasons, and he appeared to be on his way to developing into a solid weapon until a sudden injury ended his career and changed his life.D@GunslingerViews42 years ago today, Raiders S Jack Tatum delivered “The Hit” that left Patriots WR Darryl Stingley in a wheelchair for life. He never apologized, despite writing 3 books referencing him being an NFL assassin in the title and even having his own leg amputated. He died in 20104242 years ago today, Raiders S Jack Tatum delivered “The Hit” that left Patriots WR Darryl Stingley in a wheelchair for life. He never apologized, despite writing 3 books referencing him being an NFL assassin in the title and even having his own leg amputated. He died in 2010 https://t.co/wehW1Zh13ZStingley suffered one of the worst injuries in NFL history during a preseason game when he was running a crossing route before taking a vicious hit from Jack Tatum of the Oakland Raiders. He was left paralyzed and lived the rest of his life as a quadriplegic. He tragically passed away at just 55 years old.#2 - Chris SpielmanDetroit Lions LB Chris SpielmanChris Spielman was one of the best linebackers in the NFL during his time with the Detroit Lions. He was selected as an All-Pro three times in just his first seven seasons in the league.Spielman suffered a terrifying neck injury following a hemet-to-helmet hit during a preseason game. He was left paralyzed on the field for several minutes before miraculously walking off under his own power. The injury ended his NFL career as this was his final season in the league.