Katie Taylor and Amanda Serrano were set to run it back for all four lightweight titles on May 20, live on DAZN.
However, this highly anticipated rematch has now been postponed after Serrano picked up an injury which rules her out of the orignal May 20 date.
Both camps are now in talks to arrange a new date for the contest, more information can be found by clicking here.
The event is set to be rescheduled at the fighters' earliest convenience.