Parker in doubt for Broncos ahead of derby

Brisbane backrower Corey Parker is in doubt for Saturday's derby against North Queensland after injuring his hamstring at training on Wednesday.

Brisbane backrower Corey Parker is in doubt for Saturday's derby against North Queensland. (AAP)

Brisbane have been dealt a blow ahead of Saturday night's NRL qualifying final against North Queensland with veteran backrower Corey Parker sustaining an injury at training on Wednesday.

Parker complained of a sore hamstring early in the session and is in doubt for the crunch derby at Suncorp Stadium.