Carlton is taking a “safe approach” with injured midfielder Sam Walsh, who will miss both of the Blues’ pre-season games before the opening round.Walsh is dealing with a back problem and has been placed on a revised program with the club deciding to cut the season opener against Brisbane just over two weeks out the former number one coaching load.Carlton football boss Brad Lloyd confirmed on Wednesday that Walsh will be monitored throughout the season. in the coming weeks and his starting rotation options will be discussed at a later date.”Sam experienced back pain last Monday after completing a match simulation. After further evaluation it was decided to reduce his training load,” Lloyd said. in a club update.”We are taking a risk-free approach to Sam’s return so that he does not feature in the upcoming warm-up games and the club will provide further information on Sam’s progress ahead of our Round Zero match against Brisbane.”However, forward Jack Martin will return to regular training sometime next week after an MCL sprain with the club. Giving the former Sun three weeks to recover.Small forwards Matt Owies and Corey Durdin join Martin as doubts for Carlton’s trip to the Gabba in early March with the Blues duo nursing calf and thigh injuries respectively.\ Full back Caleb Marchbank is also being monitored after he has “post-viral ailments” and no clear indications. is given when he returns to full fitness.The Blues are already without defender Jacob. Weitering (calf) and winger Corey Durdin(medical) for the start of the season, while forward Jack Silvagni (knee) is out for next season.Carlton’s 2024 campaign begins with a trip to the Gabba to face Brisbane on friday . March 8th. Next week they face Geelong and Melbourne as part of their pre-season schedule..