how do i stop a leak on a lg wm14220fd washing machine?

my lg wasnt draining so i changed the pump and removed and cleaned all hoses now drains fine but i now have a leak from some kind of drain hole on the bottom of that big round weight attached to the drum i cant see anything to connect it to and there are no spare hoses to connect to it does anyone no what im refering to or how to stop the leak dont really want to block it as its for draining i think looks like it should have a hose but leak is recent