Punishing forward Ben Te'o believes former Tigers teammate Robbie Farah will do everything humanly possible to take the field against the Broncos in Friday night's NRL showdown.

Farah suffered concussion following a head clash in last weekend's one point loss to Souths and needs a medical clearance before being allowed to play again.

"It would take an awful lot for Robbie not to play," said Te'o, expecting a hostile welcome back to Campbelltown from Tigers fans.

"Obviously he's going for that Origin No.9 jersey so any chance to get on the field and push his case, he's going to do that."

Tigers team doctor Donald Kuah told AAP on Wednesday Farah would have to pass the club's strict concussion protocol before playing again.

"We're only a bit over 48 hours from the game and we're continuing to monitor him very closely," said Dr Kuah.

"I would have to agree with the reports from the club that there is significant doubt whether Robbie can play on Friday night."

Dr Kuah said the results of Farah's memory tests on Monday were "spot on" which was a good sign.

Farah, locked in battle with Bulldogs hooker Michael Ennis for the NSW Origin No.9 job, would hate to miss the game with the teams for the first Origin game in Melbourne on June 3 being named early next week.

Te'o, who's played impressively in two games back from injury, said even though he knew Farah's game well, it wouldn't make it any easier to shut him down.

"It's like you've got three halfbacks on the field because Robbie does a lot of work out of No.9," said Te'o.

"He's very smart at holding up the markers which he'll try to do to us this weekend. He's a good talker and leader which is why he's their captain.

"I know how he plays, trying to stop him is another thing.

Recruited by the Broncos along with another big-hitter Lagi Setu to fill the void left by retired hitman Tonie Carroll, Te'o said he'd had to go back to school and learn how to tackle to compete in the NRL.

He is trying to model himself on Carroll's brutal hitting style, working with Broncos defensive coach Peter Ryan, who was feared for his tough tackling during the 1990s.

"I love the contact stuff, similar to Langi (Setu), the crash and bash but I also like running at the smaller halves," he said.

"When I signed up here they took me aside and said they wanted me to play a similar role to Tonie (Carroll).

"I studied all the videos from last year .... I think I watched every tackle he made, and took some tips from his technique.

"I'm nowhere near as sound in defence as he was but hopefully one day I will be."

Centre Justin Hodges, meanwhile, trained in miserable conditions at Red Hill on Wednesday suggesting the hamstring which kept him out of Brisbane's last two games was well on the mend.

After Brisbane experienced its wettest day in 20 years, coach Ivan Henjak cancelled Thursday morning's final training session at Red Hill and will instead run the team when they arrive in Sydney.

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