St George Illawarra enforcer Michael Weyman is hopeful of training fully with the Dragons on Thursday as he nurses an ongoing groin injury through NRL grand final week.

Weyman was only involved in rehab work on Tuesday as the Dragons trained in front of fans at their WIN Stadium base in preparation for Sunday's ANZ Stadium decider against the Sydney Roosters.

The former Canberra prop is likely to require off-season surgery for the injury, which he has carried throughout the season, but has been named to start by coach Wayne Bennett in the grand final.

"It is (uncomfortable after a game) but I've been putting up with it all year so I've just go to take it easy," Weyman told reporters on Tuesday.

"It's just one of those things you've got to stick at.

"It's coming along pretty nice.

"We've still got a bit of time before the big day so fingers crossed, but everything seems to be coming good at the moment."

Weyman is unlikely to miss the season finale, while the Dragons have also named Jarrod Saffy (quad) in their side, despite the bench forward missing last Saturday's 13-12 win over the Wests Tigers.

Prop Neville Costigan has had his infected tooth removed after having problems with it on the eve of the clash with the Tigers.

Journeyman front rower Jon Green has been named on an extended bench and will be on standby should Saffy or Weyman be unable to play.

Former Brisbane player Nick Emmett, promising backline talent Kyle Stanley and veteran Luke Priddis are the other players named on St George Illawarra's eight-man bench which will be trimmed to four.

Priddis would join Glenn Lazarus as the only other player in league history to win a premiership with three different clubs should he get a run and the Dragons win.

However, the dual premiership winner from Brisbane and Penrith is highly unlikely to be included after a couple of weeks out of the side.

Dragons squad: Darius Boyd, Brett Morris, Mark Gasnier, Matt Cooper , Jason Nightingale, Jamie Soward, Ben Hornby, Neville Costigan, Dean Young, Michael Weyman, Beau Scott, Ben Creagh, Jeremy Smith. Interchange: Nathan Fien, Trent Merrin, Matt Prior, Jarrod Saffy, Nick Emmett, Kyle Stanley, Jon Green, Luke Priddis.

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