Jets assistant coach Greg Knapp dies at 58Knapp was injured last weekend while biking7/22/2021, 10:56 PMSam EversSNY ContributorAug 1, 2019; Canton, OH, USA; Atlanta Falcons quarterbacks coach Greg Knapp reacts during the Pro Football Hall of Fame Game against the Denver Broncos at Tom Benson Hall of Fame Stadium. / © Kirby Lee-USA TODAY Sports