DONCASTER were outclassed by their South Yorkshire rivals as they slumped to their second defeat in the Northern Rail Cup.
Coach Tony Miller had demanded an improved defensive display in the build-up to their second meeting with Sheffield this term.
And the signs were positive early on as former Doncaster winger Nev Morrison's early score for the Eagles, converted by another ex-Don Simon Brown, was all that separated the sides for a large chunk of the first half.
But from the moment Dominic Brambani set up Joe Hirst on 19 minutes for a second Sheffield try, it was virtually one-way traffic for the remainder.
Doncaster, who were missing experienced pair Mick Butterfield and Paul Cooke, simply could not contain Sheffield's extra power and pace - and the visitors ran in ten tries in total.
Hirst scored twice, while Alex Szostak, Misi Taulapapa, Quentin Laula-Togagoe and Mitchell Stringer all went over to help the Eagles into an unassailable 40-0 half time lead.
The impressive Brambani touched down twice and Laula-Togagoe went over again as the second half started in a similar vein.
But credit to Dons they kept on working hard and finished the game on top - registering consolation tries through Grant Edwards and Dean Colton, both converted by Lee Waterman.