I am not so sure. They only played with that setup 1 maybe 2 games last year, with Tarrant going forward with Cloke & Dawes. And Tarrant had the flexibility to go back as well as forward. Lynch & Dawes don't have that string to their bow. So I honestly doubt they were looking for that.
They wouldnt of had anyone on the list capable, if you have to play Cameron Wood you are absolutely scraping the bottom for back up ruckmen. Dawes was the one they wanted to go into the ruck but he was worse in that role.
They need someone to do it, you cant play two ruckmen and Jolly absolutely needs to rest.
Lynch just about won a B&F in that role a few years ago.. he is a very capable back up ruckman/forward. Well... he isnt the greatest bloke for the role but who else is available? and free?? and cheap??? and also still playing pretty good football... played just about every game for us this year and even spent time rucking against Collingwood in that very role.