Former NRL coach Matt Elliott takes a look at the four teams involved in the 2015 NRL semi-finals, breaking down their attacking and defensive formations.

We take a look at how the Bulldogs' left-side attack, especially through Frank Pritchard, could exploit the Roosters' right-side defence.

And we see where the Cowboys and Sharks will be sending their attack on Saturday night in Townsville.

Video - VuN3FqdzoIYdF3OpjTeGMuuNfzTe2CT4

Draw Widget - Finals Week 2 - Roosters vs Bulldogs