NEW YORK—New York Jets assistant coach Greg Knapp was in a “horrific” bicycle accident last weekend and is in critical condition. Denver TV station 9News reported Monday night Knapp was hit by a vehicle while riding in California. Agent Jeff Sperbeck confirmed to the station the 58-year-old longtime NFL assistant was hospitalized. The nature of Knapp’s injuries was not immediately known. ESPN reported the accident happened Saturday near his home in Danville, California. He was struck by a single motorist at close to 3 p.m. according to the San Ramon Police Department. Knapp was hired by the Jets in January as part of new coach Robert Saleh’s staff, serving as the pass game specialist. Among Knapp’s primary roles is to help develop quarterback Zach Wilson, the No. 2 overall pick in the draft. “Greg is such an amazing individual, it is hard to imagine the challenge facing him and his …