Penrith take the lead against the Storm after back-rower Scott Sorensen muscles his way over.

Penrith take the lead against the Storm after back-rower Scott Sorensen muscles his way over.

Penrith take the lead against the Storm after back-rower Scott Sorensen muscles his way over.

Penrith take the lead against the Storm after back-rower Scott Sorensen muscles his way over.

Isaiah Papali'i muscles his way over the top of three Storm defenders to score.

Isaiah Papali'i muscles his way over the top of three Storm defenders to score.

Isaiah Papali'i muscles his way over the top of three Storm defenders to score.

Isaiah Papali'i muscles his way over the top of three Storm defenders to score.

Canterbury are taking on Melbourne after Canberra pulled off a stunning 100-metre match-winner against Penrith. Follow all the action.

Canterbury are taking on Melbourne after Canberra pulled off a stunning 100-metre match-winner against Penrith. Follow all the action.