The Sydney Swans could be without number one ruckman Shane Mumford for up to a month following a minor operation to remove an infection in his back.
A late withdrawal from the Swans' Round 2 clash with Fremantle, Mumford was unable to get up for Sunday's 36-point win over North Melbourne before being diagnosed with the infection this week.
A late withdrawal from the Swans' Round 2 clash with Fremantle, Mumford was unable to get up for Sunday's 36-point win over North Melbourne before being diagnosed with the infection this week.

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