The lowdown on Saturday's Guinness PRO14 clash against the Cardiff Blues at the Principality Stadium (K.O 5:15pm local time)
Referee:Nigel Owens (WRU, 178th competition game)
Assistant Referees: Craig Evans, Gwyn Morris (both WRU)
TMO: Ian Davies (WRU)
Citing Commissioner: Jeff Mark (WRU)
Overall Guinness PRO14 head to head record:
Played 31, Blues won 8, Ospreys won 22 with 1 game drawn.
Did you know?
· Cardiff Blues have lost their last two matches since beating Scarlets at Cardiff Arms Park on 22 March.
· The Blues previous record at ‘Judgement Day’ is won two, lost four.
· Ospreys have won their last three matches since their defeat in Connacht in round 17 but have not won four in a row in the Championship for twelve months.
· Ospreys have played nine previous matches at Principality Stadium in all tournaments with their only two defeats both being in April 2017, against Stade Francais in the quarter-final of the European Challenge Cup and to Cardiff Blues on ‘Judgement Day’.
· Ospreys have lost just one of their last sixteen fixtures against the Blues in the Guinness PRO14: 17-35 at Principality Stadium on 15 April 2017.