You can't miss Mummy. He's a big presence. As he strides around the Giants' Olympic Park training base from media interview to photoshoot and back, he carries a swagger. An air of unmistakable confidence. Of a guy who has been through this before.
"I guess there's always going to be a bit of the butterflies and the bit of the nerves knowing what's coming up but I think the biggest thing for me is just relaxing and enjoying the week as much as possible," Mumford tells ESPN.
"I went through it as an emergency at Geelong which probably was a bit different because I knew I wasn't playing, so it sort of didn't have the same sort of feeling, but then when I did it at the Swans, the Grand Final parade, things like that - it's a pretty cool thing to have happened considering that there are so many other players out there that would love to be in our positions.
"You know, once you've done things like play in a Grand Final, and win one, you want it again and again. That's really why I came back (from retirement) - I wasn't sure whether I was smart or crazy but to be standing here now, it's that's obviously the best decision I've made."
The experience of Mumford will be relied upon come first bounce on Saturday. The Swans 2012 tattoo that adorns his left ankle is testament to big game experience the ruckman brings to the Giants. The challenge, though, is immense. The Tigers boast a dominant and versatile pair of ruckmen in Ivan Soldo and Toby Nankervis.
"Obviously coming up against two big guys is always tough, but it's a challenge I really look forward to. Probably the biggest thing is you're going from one to the other," Mumford tells ESPN.
"I'm not sure who'll give me a chop out this weekend, but I know whoever it is, we've been quite good this year when I get my little chop out, my five minutes a quarter, and that the guy that comes in plays really well. We know it's going to be a massive challenge, but we're confident."
The Giants will enter as the underdogs again, but after a year of injury woes and being written off, Mumford has no doubt the group enters the Grand Final more galvanised than ever before.
"It's such a special group here. The fact that you don't really have the family around, or the support away from the club, it causes guys to be so much more tighter as a group and then having things like that [suspensions, injuries] where people have written us off a few times throughout the year, just hearing these sort of things, you just really want to prove the doubters wrong," he said. "I know I certainly do. Something I've always liked doing."
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After a decade in Sydney, on both sides of the divide, Mumford is perhaps uniquely placed to assess the impact the sport is having in the Harbour City. And there's no doubt in his mind what an orange and grey success will mean for the sport.
"I think it'll be everything. From when I first got to the Swans to now, I guess the love for AFL has changed. I remember going out to schools when I first got to the Swans, and the teachers didn't really want your there, kids had no idea, whereas now you can go out anywhere across Sydney, and there's footies flying around these schools whether it be the boys or the girls, and with the girls competition coming in as well, that has been massive," he tells ESPN.
"I think if we were able to win the premiership, it's only going to help grow the game more. [It'd be] just great for the whole AFL. But we have to win it first. It's a cliché, but it is just another game of football. It's a very, very, very big game of football, but it is just another game and we know that when we play our best footy and we get our processes right, we're a hard team to beat."