The Titans are in the process of compiling a detailed defence of their treatment of injured players in last Saturday's 26-14 win over Parramatta after being slapped with a breach notice for failing to follow the rules relating to concussion.

The Titans ($150,000) were the hardest hit of the three NRL clubs to be issued breach notices with the Dragons and the Knights both facing fines of $100,000 if they cannot show that they didn't breach the protocols put in place.

The Titans' beach notice relates to alleged concussions suffered by Joe Greenwood, Ryan Simpkins and Kane Elgey but the Titans are adamant that in each instance the correct procedure was followed.

Henry stated that in the case of Greenwood it was a poke in the eye that led to blurred vision and him losing balance, Simpkins was cleared by the club doctor to return to the field after passing both head injury assessment tests while Elgey's knock occurred while both the club doctor and head trainer were assessing Konrad Hurrell who was taken from the field just moments earlier.

The clubs have five business days to respond to the breach notice from the time it was issued and Henry said the club will vigorously defend the conduct of their medical staff.

"Our medical team are going through what actually happened on the field and the assessments that they made and the reasons for the decisions we made at the time," said Henry, who added that Morgan Boyle was unlikely to be fit to play this weekend due to ongoing cognitive tests relating to a previous concussion.

"I will say that I'm very confident in the ability of our medical team to get decisions right around player welfare.

"At no stage did we think we were deliberately keeping a player on the field that would put him in danger.

"We'll state our case as to the reasons why those players weren't removed from the field and the reasons why one player went back on the field and we'll wait and see."

At the completion of each round the NRL's Chief Medical Officer Paul Bloomfield reviews incidents where possible concussions have taken place but Henry believes there should be more consultation with the medical staff who are present at the game at the time of each incident.

"They're not there. They're not privy to what's going on on the field. They just see what's on vision and they make a decision. We're trying to make things black and white out of areas which can be quite grey," Henry said.

"We have highly-qualified people in orange shirts making decisions. They have to be [highly qualified] to be able to wear the orange shirt. They need to make those on-field decisions.

"All cases should be discussed on their merit. It's not a black-and-white one rule fits all. Each case needs to be looked at in the circumstances around staff availability, what's going on with your other interchanges as well and who gets to view what vision and at what stage."

Greenwood, Elgey and Simpkins have all been named in the Titans team to face the Cowboys at Cbus Super Stadium on Saturday night with Konrad Hurrell, Tyrone Roberts and Tyler Cornish all expected to take their place.

After being denied the chance to make his debut last Friday Dale Copley will play his first game as a Titan while former Raider and Bronco Daniel Vidot has also been named on the wing as he returns from a groin injury.

Recent signing Chris Grevsmuhl has not been named to play against one of his former clubs this week and is not expected to be in the frame for an NRL call-up for a number of weeks.

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