Appears to be a knee injury..

The Canes lose the ball at the ruck, but then win a penalty at the resulting ruck as the Bulls hold onto the ball.

Why?

Yeh?

Canes win the ball and are inside the Bulls 22m Big pressure on the Bulls. The Canes put in a grubber but the Bulls gather it and manage to clear the ball. Lineout to the Canes 10m out.

This time the Bulls win a penalty as the Canes prop was guilty of scrumming in. Lineout to the Bulls on their own 10m line.

Canes win the ball off the kickoff and are attacking inside the Bulls 22m, but knock the ball on at the ruck. Scrum to the Bulls inside their own 22m.

Canes wont be happy giving away a penalty after not being under any pressure.

Bulls struggling to get over the advantage line but win a penalty after the Canes have their hands in the ruck. Potgieter lines up a kick at poles 40m out.

Why was he substituted?