Melbourne CEO Dave Donaghy has urged the NRL to consider introducing transfer windows to help regulate and commercialise player movement across the game.

The governing body and the Rugby League Players Association are in the process of negotiating a contracting system as part of collective bargaining agreement negotiations. The issue is a topical one given the number of players – including Mitchell Moses, Te Maire Martin, Nate Myles, Robbie Rochow, Shaun Fensom, Dale Copley, Malakai Watene-Zelezniak and Adam Clydesdale – who have switched clubs mid-season. Under the current system, player movement is haphazard and can happen any time up until June 30.

Donaghy, at the helm of one of the most professionally run clubs in Australian sport, believes the introduction of several transfer windows across the season would further engage league fans.

"For a long time the argument has been that players and clubs aren't agile enough to cope with such a system but, in my humble opinion, I'd suggest they are," Donaghy said.