Sunyani (B/A), July 10, - Brong-Ahafo United whipped visiting Bolgatanga Mighty Rocks 3-0 in their northern sector sub-middle soccer league match played at the Sunyani coronation park. All the goals were scored in the first half by insider left Michael Adu. United, tipped to be one of the two teams to qualify to represent the northern sector in the national first division middle league later this yaer, started the match on a fast note, pilling pressure on their opponents. But good goalkeeping by Aminu Sofo of Mighty Rocks prevented United from getting a goal until the 33rd minute when Adu opened the floodsgate. Centre forward and captain Richard Oppong missed a goal chance for the homesters in the 35th minute when his volley hit the cross bar but the rebound was cleared by the defence of the visitors. United maintained the pressure and Adu scored two more goals in two minutes for United to take a 3-0 half time lead. Mighty Rocks redoubled their effort after the break but were unable to redeem a single goal.