Monessen scored first in each half Friday night, but Rochester closed each half with three touchdowns for a 41-12 non-conference home victory.
Elijah Davis had both touchdowns for the Greyhounds (3-6), with each score a 1-yard dive to open the half.
Rashawn Reid had touchdown runs of 7 and 10 yards, and Denny Robinson had a pair of scoring runs for the Rams (2-7).
Monessen 6-0-6-0 -- 12
Rochester 16-6-12-7 -- 41
Mon: Elijah Davis 1 run (pass failed)
Roch: Darius Coleman fumble recovery (Rashawn Reid pass)
Roch: Denny Robinson 21 run (Rashawn Reid pass)
Roch: Rashawn Reid 7 run (pass failed)
Mon: Elijah Davis 1 run (run failed)
Roch: Michael Lucci 3 run (pass failed)
Roch: Denny Robinson 18 run (kick failed)
Roch: Rashawn Reid 10 run (Ryan McEachern kick)
Records: Monessen (3-6), Rochester (2-7).