I thought the refs are meant to be neutral

It has been 561 days since Leinster last lost in the Pro14 match.

Little grubber ahead from Evans, Kelleher runs it back

Scott Williams crashes it up in midfield

Penalty to the Ospreys at the breakdown, Cai Evans sets up the lineout

Great start for the Ospreys as Byrne restarts, loose ball but the Ospreys secure

Ospreys maul powering towards the line but it's collapsed

Powerful maul storming towards the line but Leinster infringe, penalty try

Ospreys look to maul 10m out

Scrum penalty to the Ospreys, Cai Evans sets up an attacking lineout