Marist's and Oswego's offenses have dominated opponents for most of the season, so Saturday's Class 8A quarterfinal called for plenty of lengthy drives.
But the wind and rain did most of the driving. Peter Andreotti did the rest.
Blustery and soaking conditions limited the passing attacks as Marist outlasted Oswego 21-7 to advance to the state semifinals for the first time since 2009.
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Oswego High School, 4250 Illinois 71, Oswego, IL 60543, USA
Marist High School, 4200 West 115th Street, Chicago, IL 60655, USA
Andreotti paced the RedHawks (9-3) with powerful rushes between the tackles. He had 32 carries for 111 yards and three touchdowns.
"It's awesome," Andreotti said. "The weather, it called for our run game, and our 'O' line stepped up."
Marist also benefited from great field position as it built a 14-7 halftime lead. Of its five first-half drives, the RedHawks started in Oswego territory three times. Their other two possessions began near their 40-yard line.
The Panthers (9-3) scored on quarterback Steven Frank's first-quarter pass to Trevor Matczak.
Andreotti's third touchdown run came midway through the fourth quarter. Two minutes later, Jawill Aldridge's interception shut the door on Oswego's comeback attempt.
"They won a lot of battles in the trenches," Oswego coach Brian Cooney said. "That's credit to their well-coached, talented, big offensive line, and we had a hard time filling gaps."
Marist quarterback Jack Donegan was 8-for-14 for 98 yards.
Senior defensive end Tim Finucane recovered two fumbles for Marist.
Oswego had three turnovers to Marist's none.
"When the rain's going like that, the wind and everything, everyone did their role," Marist coach Pat Dunne said. "We've got to continue to get better at what we do."
Player of the game: Peter Andreotti, Marist, 32 carries, 111 yards, 3 TDs.
Key performers: Marist — Tim Finucane, 2 fumble recoveries; Jack Donegan, 8-for-14, 98 yards. Oswego — Steven Frank, 11-for-31, 141 yards, TD, 2 INT.
Next: 8A semifinal, Marist at Naperville Central.