Cardiff v Dragons: Live score updates, kick-off time and TV channel
Cardiff play the Dragons in the first Welsh derby of Boxing Day. The match kicks off at 3pm and you can follow live updates with rugby correspondent Ben James below.
Wales international James Botham plays his first match of the season, while the Dragons make seven changes from their last fixture, with Rio Dyer and Aaron Wainwright returning to the side for the match at the Arms Park. The Dragons have lost their last 17 league matches against Cardiff.
The match is being shown live on Viaplay and BBC Wales, but you can keep in touch with all the action right here.
Cardiff Rugby: Cam Winnett; Josh Adams, Rey Lee-Lo, Ben Thomas, Mason Grady; Tinus de Beer, Tomos Williams; Rhys Carre, Liam Belcher (capt), Keiron Assiratti, Rory Thornton, Teddy Williams, Alex Mann, James Botham, Mackenzie Martin.
Replacements: Evan Lloyd, Corey Domachowski, Rhys Litterick, Seb Davies, Lucas de la Rua, Ellis Bevan, Willis Halaholo, Gabriel Hamer-Webb.
Dragons RFC: Jordan Williams; Rio Dyer, Steff Hughes (capt), Aneurin Owen, Ashton Hewitt; Cai Evans, Rhodri Williams; Rhodri Jones, Bradley Roberts, Lloyd Fairbrother, Joe Davies, George Nott, Harrison Keddie, Taine Basham, Aaron Wainwright.
Replacements: James Benjamin, Aki Seiuli, Leon Brown, Sean Lonsdale, Dan Lydiate, Dane Blacker, Will Reed, Jared Rosser.
Referee: Ben Whitehouse (WRU)