The host Mustangs scored twice in the first inning, and starter Erik Schurtz kept Rolling Meadows out in front with a strong pitching performance in a 2-1 decision over York on Monday.
Schurtz doubled and had an RBI in the first inning, and Bobby Suchecki drove in the other run for the defending MSL East champs.
On the mound, Schurtz allowed 4 hits and 1 earned run through 6 innings. Ryan Differding relieved and earned a save.
Cary-Grove 7, Fremd 6: The host Trojans rallied with 6 runs in the bottom of the seventh inning to claim a nonconference victory.
Austin Jetel doubled twice and had 3 hits for the Vikings, and Mack Rosman drove in 3 runs.
Jetel also pitched 5 scoreless innings for Fremd.
Notre Dame 10, Hersey 2: Joe Rimac drove in 4 runs to help Notre Dame pick up a nonconference victory over Hersey.
The Huskies (1-3) managed to score twice without the benefit of a hit as starter Joey Koutnik suffered the loss.
Adnan Sator and Patrick Dillon split the pitching duties for Notre Dame.
Hope 9, Christian Liberty 3: The Chargers outhit Hope 6-4 but couldn't overcome 5 errors.
Glenbard North 4, Elk Grove 2: Johnny Assimakopoulos doubled and drove in both runs for the Grenadiers, but it wasn't enough in a nonconference defeat.
Josh Bergbreiter doubled and had 2 hits for Elk Grove, and Adam O'Malley didn't allow an earned run in 4 innings.
Hoffman Estates 2, Huntley 2 (8): Ethan Bloom allowed 1 earned run over 7 innings, striking out eight while allowing 4 singles before darkness put an end to the nonconference matchup without a winner.
Zach Lewandowski doubled and scored on a Brandon Harris single for Hoffman Estates. Bloom also doubled, scoring on a single from Brad Demmon.
Grant 8, Barrington 6 (6): Simeon Lucas and Ryan Noda homered as the visiting Bulldogs scored twice in the sixth inning to earn a nonconference win.
Elgin 7, Buffalo Grove 6: Jeremy Firszt and Andrew Cole had 2 hits apiece and Andrew Kurgan drove in 2 runs for the host Bison. But the Maroons scored 5 runs in the fourth inning and managed to stay ahead the rest of the way in nonconference play.
Prospect 11, Glenbrook North 1 (6): The Knights took control with a 6-run fourth before finishing off the visiting Spartans in 6 innings at Heritage Park in Wheeling.
Grant Miller and Tommy Flahaven both drove in 3 runs, and Lucas Karz had a double in Prospect's 10-hit attack.
Miller and Mike Piotrowski had 2 hits apiece, and Jordan Fedro earned the victory with 3 scoreless innings on the mound.