Applicable excerpts from OUFC Ground regs ....
1 Notwithstanding possession of any ticket the Club, any police officer or authorised steward may refuse entry to (or eject from) the Ground any person:
1.1 that fails (or in the Club's reasonable opinion is likely to fail) to comply with these Ground Regulations and/or the Supporter Code of Conduct and/or any reasonable instruction issued by a police officer or authorised steward or officer of the Club; and/or
1.2 whose presence within the Ground is, or could (in the Club's reasonable opinion), constitute a source of danger, nuisance or annoyance to any other
18. Any individual who enters a part of the ground designated for the use of any group of supporters to which he does not belong may be ejected from the ground either for the purposes of his own safety or for any other reason
.....will OUFC stewards be applying the above, V Sheffield Wednesday, should there be a profusion of infiltrators in home areas?