St Kilda General Manager Simon Lethlean said the club will closely monitor Paddy McCartin after his latest head knock.
McCartin, who has suffered a series of concussions throughout his short career, was left groggy after another collision during the second quarter in yesterday’s loss to Melbourne.
The 22-year-old took no further part in the match following the incident.
"We’ll wait and see (if he'll play this week)," Lethlean told SEN Breakfast.
"He had a bit of a day yesterday, poor old Paddy. It was publicly mentioned that his blood levels weren’t where they should be for his diabetes.
"He then got a pretty big knock in the second quarter but passed his concussion test very pleasingly at half-time … then got another whack in the third quarter.
"It knocked him around a bit that combination of events. We’ll see how he presents today. He was a bit hazy and unwell last night, so we’ll see how he comes up.”
"If he doesn’t come up well, he’ll have a break, but I’d like to see some more continuity, because he’s been in reasonable form the last few weeks."
The Saints face another tough assignment this week as they make the trip to Perth to take on Fremantle at Optus Stadium.
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Listen to Simon Lethlean's chat with Garry and Tim in the player below