Catherine Sweeney scored the game's only goal as unranked Catonsville stunned visiting No. 8 Hereford, 1-0, in field hockey Monday.
Vanessa Tracy recorded 20 saves for the Comets, whose record improved to 6-1. The Bulls fell to 7-2.
No. 7 Century 4, Francis Scott Key 0: Maddie Dickman scored two goals and Mandie Trostle and Shelby Mercer each added one to lift the Knights (6-1-1) over the visiting Eagles from Carroll County. Marissa Donoghue had three assists for Century.
Meade 2, Annapolis 1: Tariq Pitt-Bey and Samuel Dupuy scored to lead the visiting Mustangs over the Panthers in Anne Arundel County play. Jerry Washington and Jordan Wright assisted on Meade's goals. Billy Hood scored Annapolis' only goal.
Rising Sun 3, Elkton 0: Cody Thomas, Zach Weigland and Martin Stillwell scored to lead the host Tigers over the Golden Elks in Cecil County league play. Rising Sun's goalies combined for seven saves. The Tigers led 2-0 at the half.
No. 8 C. Milton Wright 2, Patterson Mill 1: Mackenzie Cunningham and Carolyn Mang scored as the visiting Mustangs beat the Huskies in Harford County action. Sydney Ditmar scored on an assist from Savanah Dawson for Patterson Mill. The score was 1-1 at the half.
Roland Park Country 6, Annapolis Area Christian 0: Francesca Whitehurst had three goals and Brittany Day, Caitlin Curtis and Julia Schoenberg each scored as the Reds defeated the Eagles in an Interscholastic Athletic Association of Maryland game. Roland Park led 4-0 at the half.
Glenelg Country 2, Chapelgate Christian 0: Chloe Lewis and Alisha Netus each scored a goal as the Dragons beat the host Yellowjackets in league play. Catelyn Gamble had one assist and Deja Hursey had three saves for the winners.
Patterson Mill 3, Havre de Grace 0: Sarah Alders had five kills and two blocks, while Kenna Garman had four kills, five aces and a dig to lead the Huskies over the Warriors in Harford County action. The scores were 25-22, 25-20 and 25-11.
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Also in Harford County, Edgewood defeated North East, 3-1. Frances Calzada had 12 kills and 13 aces to lead the Rams. The scores were 25-22, 12-25, 25-21 and 25-19.