Wanderers outplayed University, while Merewether beat Singleton.
The Bulls showed plenty of early fight at Townson Oval, Christopher Vizl going over in the corner.
Merewether hit back not long after, a neatly worked backline play allowing William Frost to find the line.
Playing up the middle continued to deliver results for the home side, Sam Dart adding to the scoreline.
The win keeping the Greens in touch with the top four.