With Melbourne the only remaining undefeated team in the AFL competition, TAB has opened a market on when, or if, the Demons will suffer their first defeat of the year.

Round 11 against the Western Bulldogs is the ‘favoured’ option, at $2.60, with this weekend’s clash with Sydney the second favourite at $4.

The seven-and-zero Demons are $251 to go the entire home-and-away season without tasting defeat.

Melbourne’s first loss market:

Rd 8: Sydney                    $4.00

Rd 9: Carlton                    $6.00

Rd 10: Adelaide               $7.50

Rd 11: Bulldogs               $2.60

Rd 12: Brisbane               $5.50

Rd 13: Collingwood        $17

Rd 14: Essendon             $21

Rd 16: GWS                      $21

Rd 17: Port Adelaide      $13

Rd 18: Hawthorn            $101

Rd 19: Gold Coast          $51

Rd 20: Bulldogs               $34

Rd 21: West Coast          $67

Rd 22: Adelaide               $501

Rd 23: Geelong                $151

Undefeated                      $251