United hope to raise up to $100million, which would be used to repay some of the club's debt.

"We intend to use all of our net proceeds from this offering to reduce our indebtedness," the prospectus filed with the SEC said.

"Our 134-year history, our success and the global popularity of our sport have enabled us to become what we believe to be one of the world's most recognizable brands.

"We enjoy the support of our global community of 659 million followers.

"The composition of our follower base is far-reaching and diverse, transcending cultures, geographies, languages and socio-demographic groups, and we believe the strength of our brand goes beyond the world of sports."