American Football team New York Jets assistant coach Greg Knapp, who is behind the tutoring of some of America's prominent footballers, was in a critical condition on Tuesday following a bicycle accident in California, his wife an agent said. His wife has requested fans to pray for his life as only a miracle could save him.

"Greg is an amazing father and husband whose passion for life can be felt in all his interactions with people. While many know him for his achievements as a coach, his impact as a father and husband is far greater. We are so fortunate to have him in our lives. We are sincerely thankful to all those who have continued to reach out and provide support -- it has meant the world to us. We ask that you continue to pray for Greg and our family during this time," the Knapp family said in a statement.

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The accident took place on Saturday when 58-year-old Knapp, an avid cyclist, was riding near his home in Danville and was collided with a bike. According to the county's police, he sustained major injuries.

The driver stopped to render aid, according to Sperbeck.

 Knapp was immediately taken to San Ramon Regional Medical Center after which he was transferred to John Muir Medical Center in Walnut Creek.

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The accident is being investigated by the police department and no arrests have been made yet. There's no evidence suggesting the motorist was on drugs or alcohol, San Ramon police Lt. Tami Williams said.

Before heading to New York Jets, the team that he presently coaches, Knapp was with the Atlanta Falcons for the past three seasons as a quarterbacks coach. He is also credited with helping the Denver Broncos claim the Super Bowl victory in 2015. He was the quarterback's coach for four seasons for them.

The veteran coach had also spent ten seasons as an offensive coordinator for the San Francisco 49ers, Atlanta Falcons, Seattle Seahawks and the then-Oakland Raiders.

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Jets head coach Robert Saleh, who is behind Knapp's hiring to the New York-based team also issues a statement following the unfortunate incident. 

"Greg is such an amazing individual it is hard to imagine the challenge facing him and his family, his fun nature, kind disposition, and wealth of knowledge has allowed him to make genuine connections with all of our coaches, players and staff since he has been here. I ask that you keep him in your prayers as we all pull for him to recover from this horrific accident," the statement said.