Warriors back-rower Simon Mannering will play his 200th NRL game and run out for his 100th appearance as club captain this weekend against the Knights.

Expert tips: Round 12

The NRL.com team of writers deliver their verdict on the winners and losers for Round 12 of the NRL Telstra Premiership.

Round 12 fixtures: Panthers v Eels (Sportingbet), Roosters v Raiders (Allianz), Cowboys v Storm (1300 Smiles), Warriors v Knights (Mt Smart), Broncos v Sea Eagles (Suncorp), Rabbitohs v Dragons (ANZ). Byes: Bulldogs, Sharks, Titans, Wests Tigers.

Nigel Wall (Editor - success rate 60%): Panthers, Roosters, Cowboys, Warriors, Sea Eagles, Dragons 

Tim Elbra (Assistant Editor - 62.2%): Eels, Roosters, Cowboys, Warriors, Sea Eagles, Rabbitohs  

Dominic Brock (Production Editor - 60%): Panthers, Roosters, Cowboys, Warriors, Sea Eagles, Rabbitohs

Adrian McMurray (Producer - 60%): Panthers, Roosters, Cowboys, Warriors, Broncos, Rabbitohs

Tony Webeck (Chief Queensland Correspondent - 67.9%): Eels, Roosters, Cowboys, Warriors, Broncos, Rabbitohs

Chris Kennedy (National Correspondent - 64.1%): Eels, Roosters, Cowboys, Warriors, Manly, Rabbitohs

Matt Encarnacion (Western Sydney Correspondent - 68.8%): Panthers, Roosters, Cowboys, Warriors, Sea Eagles, Dragons

Corey Rosser (NZ Correspondent - 62.2%): Eels, Roosters, Cowboys, Warriors, Sea Eagles, Rabbitohs

Will Botoulas (Melbourne Correspondent - 62.1%): Panthers, Roosters, Cowboys, Warriors, Broncos, Rabbitohs

Matt Harris (Queensland Correspondent - 62.2%): Panthers, Roosters, Cowboys, Broncos, Warriors, Rabbitohs

Jack Brady (Staff Writer - 48.6%): Panthers, Roosters, Cowboys, Knights, Broncos, Rabbitohs

Dan Walsh (Staff Writer - 68.8%): Panthers, Roosters, Cowboys, Warriors, Broncos, Rabbitohs

Top picks: Panthers, Roosters, Cowboys, Warriors, Broncos, Rabbitohs