CONYERS — Jackson McDonald threw for three touchdowns and ran for two more as Flowery Branch defeated Salem 35-16 on the road Friday night. Salem (2-3, 1-2 Region 8-AAAAA) couldn’t convert several key opportunities with Flowery Branch (3-2, 3-0) picked up its third straight win. Salem left at least six points on the field, missing on two field goals, and failed to take advantage of two Flowery Branch turnovers in the first half.