Bulls lock Wilhelm Steenkamp will miss the opening weeks of the 2013 season due to a shoulder injury, it was announced on Tuesday.
Steenkamp will see a specialist on an AC tear and will be out of action for between four and six weeks.
According to Bulls team doctor Org Strauss, a number of players are suffering from injuries that could prevent them from playing in the side's first friendly of the season - against the Lions, in Orlando Stadium on February 2.
Zane Kirchner (back, two weeks), Dewald Potgieter (back, two weeks) and Werner Kruger (back spasm, two weeks) will be in the swimming pool instead of the training pitch for the next two weeks.
This follows the injury to Dean Greyling last week, with a stress fracture to his foot ruling out the prop for at least four more weeks.
To add to the three-time champions' woes, prop Frik Kirsten is suffering from migraine and will only see limited action this week, while wider training group prop Basil Short injured his AC joint and will be out for two weeks.
Springbok touring squad member Arno Botha has another week to go before he can take to the field following a groin operation, but national teammates Chiliboy Ralepelle and Jacques Potgieter is back in training.
Former Junior Boks Tony Jantjies (groin, two weeks) and Wiaan Liebenberg (hamstring, one week) will return to squad soon.
Rudi Paige (ankle), Grant Hattingh (ankle), Bjorn Basson (ankle) and Akona Ndungane (groin) will be fit to train on Thursday.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The Barbarians are one of the top invitational rugby sides with a long history and classic rugby jersey.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Lions get ready for their matches with this green training jersey. It's what the players wear. Get in the Gear!
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The Lions are ready to get their Australia tour underway. They arrive in Perth on Monday.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.