Win would put Lennox on top
The Sharks have the best attacking record in the league after thrashing Workers 5-1 last week and on home turf will start slight favourites.
But their main scorers, Ben Andrews, Peter O'Neill and Paul Kirkland, will come up against a tight Bluedogs defence which is second only to Ballina, conceding just five goals in six games.
With Robert Cooper, Carlos Argent and Dustin Rudgley combining well in the Bluedogs' backline in front of in-form goalkeeper Alex Pratt, the Sharks will have to work hard to create opportunities.
Both sides expect to be at full strength and with a record of draws between the two, another tight game is predicted by Bangalow coach Damon Bell.
"We can't afford to make any mistakes at the back with their strikepower, what we do need is to control possession as much as possible, as we did against Byron last week," Bell said.
The rest of the round will be played tomorrow.