The turning point came in the fourth quarter. With Niskayuna ahead 28-21, Shen tried a halfback option pass near midfield, but Brian Krol intercepted Tyler Dehmer's throw and returned it to the Silver Warriors' 43-yard line. A short time later, Peters found a seam in the right side of Shen's defensive line and took off on a 42-yard scoring run to increase Niskayuna's lead to 34-21.
Shen drew within a touchdown on Mike Daly's six-yard scoring run later in the fourth quarter and had a chance to tie the game in the closing seconds, but Andrew Kalish's passes into the end zone fell incomplete to end the Plainsmen's rally.
Greene gained 139 yards on 22 carries, and Kalish completed nine passes for 114 yards to lead Shen's offense.
Ballston Spa (4-4) also had a chance to tie or win its quarterfinal game against Schenectady (7-1). After quarterback Mark Seager ran for a three-yard touchdown to make the score 27-21 late in the fourth quarter, the Scotties attempted an onsides kick, but they couldn't recover it and the Patriots held on for the win.
Schenectady established a two-touchdown lead in the second quarter on scoring runs by quarterback Nick Ottati and tailback Mark Thompson. Seager connected with Joshua Fabian on a 57-yard touchdown pass late in the second quarter to trim the deficit to 14-7, but Ballston Spa never got any closer than that.
Seager threw for 106 yards and rushed for 75 yards to lead the Scotties, who will meet Shen in a crossover game Friday. Thompson had 110 rushing yards, and Ottati threw for 129 yards for Schenectady.
Spartans roll past Warriors
Burnt Hills-Ballston Lake had no trouble advancing in the Class A playoffs as it rolled past Averill Park 56-6 last Friday.
The Spartans (8-0) used a balanced running attack to defeat the Warriors (2-6). The combination of Paul Layton, Brandon Beatty, Nick Henderson, Eric Vuillaume and Tyler Paluba gained 410 yards on 20 carries. Layton, Beatty and Henderson also scored two touchdowns on the ground.