Harper fires for Renegades in BBL derby

Sam Harper scored his third BBL half-century in a row as the Melbourne Renegades posted 7-162. (James Ross/AAP PHOTOS) (AAP)

Sam Harper's third consecutive half-century has helped lift the Melbourne Renegades to a competitive total of 7-162 in the BBL derby against the Melbourne Stars.

Harper backed up recent scores of 89 and 63 with a team-high 51 from 36 deliveries at Marvel Stadium on Saturday night.