Pero scored on a 38-yard run in the second quarter to tie the game at halftime. He had a pair of 1-yard touchdown runs in the second half to secure the win.
Brad Rayborn’s 40-yard touchdown run put Woodbridge on the board first, in the first quarter.
Colonia improved to 4-1, and visits South Plainfield on Friday night, 7 p.m.
Woodbridge fell to 2-3, and hosts Carteret on Saturday, 1 p.m.
Woodbridge 4, Piscataway 2: Woodbridge broke a 2-2 halftime tie with two goals in the second half. Alexus Fuentes led the way with two goals and an assist, and Hadiza Mamman had a goal and an assist. Karina Roldan had a goal and Jatzia Gilzean had an assist.
Goalie Maura Walsh stopped 22 shots.