Greater Western Sydney forward Rory Lobb, who burst onto the scene in 2016 with 29 goals in 24 games, says he wants to play as the club's No.1 ruckman when Shane Mumford hangs up the boots.

Mumford, 30, is one of the most dominant ruckmen in the competition when at his best. Lobb, who played every game in a breakout season last year, provided solid back-up to Mumford in the ruck at times last season, however, starred in the forward line, taking the second most contested marks in the league.

Lobb said he is discussing a move to a full time ruck position with coach Leon Cameron when Mumford calls time on his career in a few years time.

"Thatโ€™s the talk that Leon (Cameron) and I have been having, do I want to play my career as a ruck/forward, or as a full-time ruckman," Lobb said.

"Obviously 'Mummy' (Shane Mumford) is the man now, and we've got Tom Downie, Dawson Simpson there, and young Matty Flynn is coming through too.

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"With my height I'm tending to lean towards going the distance as a number one ruckman, but I love playing forward and I've made myself a position there.

"It's hard because I like the balance of playing both positions and also floating up on the wing as well."

For the time being however, Lobb said he is keen to learn as much as he can off Mumford.

"Shane's a really strong inside player and doesn't jump as much as me, so we're pretty different, but he's probably one of the best at bodying up, so I just pick what I can from him and try and create my own way of playing I guess," he said.