Columbia, Mo. — Six head coaches, several general managers and a Hall of Fame passer turned front-office executive joined scouts from each of the 32 NFL teams to watch former Missouri quarterback Blaine Gabbert as he worked out with a chance to be the No. 1 selection in April’s draft.

The crowd at Missouri’s pro day Thursday included Denver Broncos vice president John Elway and coach John Fox, New York Jets coach Rex Ryan, Jim Harbaugh of the San Francisco 49ers, Cincinnati Bengals coach Marvin Lewis, Leslie Frazier of the Minnesota Vikings and Tennessee coach Mike Munchak