Mount Hebron got off to a 2-0 start in girls basketball by handing No. 11 River Hill its second straight loss Wednesday night.
A smothering first-half defense and points from 11 Vikings helped them upset the Hawks, 70-51.
Tianna Wallpher led Mount Hebron with 15 points. River Hill's Jenna Collins led all scorers with 22 points.
No. 9 Howard 73, Hammond 25: Berit Batterson scored a game-high 15points to lead the visiting Lions (2-0) past the Bears (0-1).
Howard led 40-8 at halftime.
No. 12 Catonsville 71, Chesapeake-AA 5: The host Comets (1-0) got points from all 13 players, led by Renee Gast with 11 points, to beat the Cougars (0-2).
Catonsville led 37-3 at the break.
St. Timothy's 53 , Bryn Mawr 39: In the 112th meeting — the longest continuing girls high school rivalry in the nation — the Brownies (4-0) beat the host Mawrtians (2-1).
Olivia Finckel (18) and Hailey Dayton (11) combined for 29 points. Aryonna Hutchinson added nine points and 12rebounds for St. Timothy's. Zoe Zawisa scored 14 points and Grace Greene added 11 to pace Bryn Mawr.
No. 7 Randallstown 78, Franklin 46: The visiting Rams (2-0) used a full-court press in the first half to contain the ball in the backcourt and score easy baskets.
Jerell Cooke scored a game-high 30points for Randallstown, which led 37-20 at halftime.
Maracus Dixon had 20 points for the Indians (0-1).
No. 10 Oakland Mills 86, Glenelg 66: Mamadou Ndiaye, a transfer from Laurel, scored a game-high 20 points as the host Scorpions (3-0) beat the Gladiators (1-1).
Mervo 49, Eastern Tech 37: Larry Webb had 14 points and Dimitri Williams added 12 to lead the host Mustangs (2-0) past the Mavericks (2-0).
Mervo led 22-12 at halftime.
Glenelg Country 61, McDonogh 55: Chancellor Barnard scored 23points to power the host Dragons (2-2) past the Eagles (1-4).
McDonogh's Evan Fisher led all scorers with 27 points.
Gilman 64, Mount Carmel 61: The visiting Greyhounds went 18-for-21 from the free-throw line to secure the win over the Cougars (4-3, 1-3).
No. 7 Archbishop Spalding 45, St. Mary's 33: Leading 39-33 and headed into the final match, the Cavaliers (1-1) held off the visiting Saints when heavyweight Robert Kreczmer pinned Jackson Slotterback in 12 seconds.