WALLABIES playmaker and boxer Quade Cooper is a sure thing according to Sportsbet.

The 67-Test Wallaby was the heavyily short-priced favourite at $1.22 (at time of writing) for his bout with Hervey Bay boxer Jack McInnes, with nine in 10 betters favouring Cooper.

"Quade Cooper would have to be the closest thing to a sure thing on tonight's card," Sportsbet's Christian Jantzen said.

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"We've got him at $1.22 and punters haven't been afraid to back him at such a short price.

"92% of the money we've taken on the bout has been with Cooper which should come as no surprise to anyone who's seen what his opponent looks like.

"The biggest bet we've taken on Jack McInnes is a mere $5 so thanks very much for the donation!"

McInnes has moved from as much as $12 to $4 on markets since weigh-in on Thursday afternoon, and has enjoyed great support from Queensland's Muay Thai community.

The 22-year-old plasterer boasts an 0-2 professional boxing record, but has about 50 Muay Thai fights under his belt.