Odion Ighalo angered a student football team while he was participating in a solo training session over the winter break, according to The Sun.
Manchester United's new loan signing did not travel to join up with his team-mates in Spain over fears about increased immigration control due to coronavirus.
Instead, he had sessions back in Manchester, with one falling at the same time a University of Manchester women's team was due to use a pitch at Wythenshawe playing fields.
None of them recognised the Nigerian, and his identity had to be confirmed by support staff before they allowed him to finish up his training.