The Iron entered their away clash at Watford making four changes from the side beaten 4-1 at Blackpool a fortnight earlier.
Coming into the side in place of the suspended goalkeeper Joe Murphy between the sticks was Josh Lillis, while Martyn Woolford and Josh Wright returned to the midfield in place of Grant McCann and Andrew Wright.
With Michael O'Connor also dropping out, Gary Hooper came back into the side.
The defence consisted of Cliff Byrne, David Mirfin, Rob Jones and George Friend, while the midfield lined up with Matt Sparrow, Sam Togwell, Wright and Woolford featuring. The strikers were Hooper and Paul Hayes.
On the substitutes' bench were Marcus Williams, McCann, Garry Thompson, Jonathan Forte, O'Connor, Sam Slocombe and Bondz N'Gala.
TEAM LINE-UPS
Watford: Loach, Mariappa, Lansbury, Cowie, Graham, Helguson, Doyley, Cleverley, Cathcart, Eustace, Hodson.
Substitutes: Severin, Harley, Lee, Bennett, Henderson, Ellington, Bryan.
Scunthorpe United: Lillis, Byrne, Mirfin, Jones, Friend, Sparrow, Togwell, J. Wright, Woolford, Hayes, Hooper.
Substitutes: Williams, McCann, Thompson, Forte, O'Connor, Slocombe, N'Gala.
Referee: Chris Sarginson.