Rugby league great Paul Gallen believes Bulldogs star Stephen Crichton benefited from his side being the "flavour of the month" when the outside back avoided a sin-bin for a high shot.

Fans and pundits were left stunned on Friday night when Roger Tuivasa-Sheck copped a nasty head knock from Crichton and was forced from the field during Canterbury's win over the Warriors in Auckland.

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