Mike Gamble scored 15 minutes into the game and Julian Griggs scored five minutes later, and top-ranked McDonogh held on for a 2-1 win at Calvert Hall in soccer on Thursday.
The Eagles improved to 9-1.
All the scoring took place in the first half, with the Cardinals' John Tune stealing the ball and beating McDonogh goalie Matt Sanchez (five saves) to cut the lead to one.
"We had most of the play and they had counters. We just kept the ball and knocked it around," McDonogh coach Steve Nichols said.
"We didn't play our best and they [Calvert Hall] had something to do with that."
No. 6 Severna Park 2, Southern 0: Marisa Kresge scored twice to lead the host Falcons (3-0-3) past the Bulldogs.
No. 7 Reservoir 2, Howard 1: Amanda Jackson and Michelle Viegas each scored in the first seven minutes of play to give the visiting Gators (3-1-1) the victory. Caitlyn Whitford had the lone goal for the Lions (1-3).
No. 1 Severna Park 5, Southern 0: Kirston Muhly and Kelsey Fielder each scored twice to power the visiting Falcons (4-0) past the Bulldogs.
No. 2 South River 10, Glen Burnie 0: Abby Lawrence and Jennie Milligan each had a hat trick as the visiting Seahawks (3-1) routed the Gophers (0-4).
No. 13 Patterson Mill 1, No. 15 Notre Dame Prep 1, OT: Emily Keesling gave the visiting Huskies (3-1-1) a 1-0 lead at the half, but the Blazers (4-0-1) tied it in the second half. Gabby Brooks had 28 saves.
No. 2 Centennial d. Wilde Lake, 3-0: Samantha Borstrom had 12 kills, nine aces and nine digs for the visiting Eagles (4-0).
Centennial won, 25-15, 25-13, 25-20.
No. 4 Fallston d. C. Milton Wright, 3-0: Abby Claborn had seven kills and five assists and Shannon Webb scored 11 points on her serve for the host Cougars (6-0).
Fallston won, 25-9, 25-5, 25-5.
No. 5 Towson d. Dundalk, 3-0: Kelly Lacy and Ally Teuten led the host Generals (6-0) past the Owls, 25-10, 25-8, 25-3.
No. 6 Arundel d. Meade, 3-0: Lindsay Tapley had 11 assists and eight kills and Brooke Sillaman had 17 assists and six aces to lead the host Wildcats (2-0) past the Mustangs.
Arundel won, 25-14, 25-10, 25-12.
No. 9 Mount Hebron d. Howard, 3-0: Maddy Birus had six aces and ran the 5-1 offense for the visiting Vikings (4-1).
Mount Hebron won, 25-11, 25-20, 25-19.
No. 12 Broadneck d. Northeast, 3-0: Alyssa Chochos had seven aces and nine assists and Mimi Graf had five aces, eight assists and a kill to lead the host Bruins (1-1).
Broadneck won, 25-9, 25-22, 25-9.
No. 15 Severna Park d. Southern, 3-0: Carli Converse had 10 kills and eight digs, Erin Bell had 28 assists and three digs and Megan Poskaitis had nine kills, as the visiting Falcons (2-2) beat the Bulldogs.
Severna Park won, 25-15, 25-21, 25-14.