Exeter city are away, Exeter Chiefs have no fixture, Plymouth argyle home in the southwest.
No major sports events, there is something in Manchester that weekend, but no impact on GWR services.
There are no advances in the opposite direction neither on any service, ruling out a sports event as that would be one way in the morning and reverse in the afternoon, so still advances against that flow.
There are advances available on the Sunday and Friday albeit only £3 cheaper than a suitable flexible ticket!