Bulldogs chief executive Todd Greenberg has appointed an independent investigator to look into allegations one of his players was involved in a nightclub fight on Sunday night.

Greenberg received an email complaint yesterday morning, forwarded by radio broadcaster Ray Hadley, that his players were drinking at the Sting Bar in Cronulla at 11pm when the fight broke out.

Channel Seven last night reported that Bulldog forward Lee Te Maari was involved. But Greenberg said he would wait until he received a full report from his independent investigators before commenting publicly on the alleged incident.

''We are waiting to establish the facts before we make any further comment,'' Greenberg said last night. ''Should it prove to be correct we are concerned about the nature of the complaint.''

But Pasquali Traino, the owner of the Sting Bar, last night said the incident had been blown out of proportion.

He said a group of Bulldogs players had come in for dinner when an argument broke out between two guys ''over some girl'' which developed into a push and shove before security intervened. Both parties apologised for causing a scene, with a group of nuns in the room following World Youth Day festivities, and quietly left the premises without complaint.

''It's a storm in a tea cup,'' Traino said. ''There was a push and shove. We stepped in and they stopped and apologised and left the building quietly.

''They [the players] come here regularly and always give me the utmost respect. Nothing happened for me to say you're no allowed back in here. There were no punches thrown at all.''

Greenberg's decision to call upon professional outside assistance to investigate the matter reflects the club's desire to rid itself of a reputation for having poor off field behaviour.

''We like to have someone independent from the club prepare a report and assess the information so we can deal with it accordingly,'' Greenberg said.

It is believed the Bulldogs were not the only NRL players at the Sting Bar on Sunday evening, but no allegations have been made against any other footballers.

The club had no issue with the players going out and drinking late on Sunday evening as they had been given yesterday off training with a long nine-day turnaround before Monday's clash with St George Illawarra.

The NRL has been made aware of the situation and is awaiting a report from the club before making any comment. AAP