Newport Gwent Dragons' Pro12 clash against Edinburgh on Sunday has been postponed following heavy rain that has affected the Rodney Parade pitch.
An inspection took place on Saturday at 09:00 GMT, with Friday's League Two football clash between Newport County and Fleetwood having been postponed.
That was the fifth recent home game to fall victim for County.
Now the Dragons have been forced to call off one of their games. No new date for the fixture has yet been set.