Visiting Loyola lost the lead with less than three minutes to go, and a missed 3-point attempt with two seconds left allowed No. 4 Mount St. Joseph to survive, 46-44, Friday.
Kameron Williams led the Gaels (21-4) with 17 points. The Dons (9-11) were ahead 27-20 at the half.
No. 6 John Carroll 60, Mount Carmel 52: The host Patriots (20-5) outscored the Cougars 17-5 in the third quarter and hung on to win. Justin Jenifer scored 16 points and Rodney Elliott had 14 for John Carroll, which led 29-18 at the half.
No. 8 Lake Clifton 54, Owings Mills 39: Lionel Greene led the way with 18 points and eight rebounds as the Lakers (13-2) defeated the Eagles in Basketball Academy action. Aaron Parks added nine points and 12 rebounds. Next up for Lake Clifton is Milford Mill, which beat Dunbar on Thursday.
No. 9 Arundel 74, Annapolis 71: The host Wildcats (14-0) used balanced scoring and focused on pounding the ball inside as they overpowered the Panthers in league play. David Nicholson had 20 points, and Austin Carroll added 20 in the win. Jordan Stickler had 28, and Delazo Smith scored 22 for Annapolis.
No. 10 City 53, New Town 52: The Knights (12-3), led by Omair George with 17 points, kept the Titans at bay at the Basketball Academy at Lake Clifton. City committed seven turnovers in the first half and led 30-28 at the break.
No. 12 Glen Burnie 82, Chesapeake-AA 49: William Brown had 22 points, seven rebounds and four blocks to power the Gophers (15-1) over the Cougars. Brandon Spain had 11 assists in the win.
Mount Hebron 39, No. 5 Glenelg 36, OT: Kelly Jones (14 points) made two 3-pointers in overtime as the visiting Vikings upset the Gladiators (16-1).
Glenelg's Sam Hesig (15 points) made a free throw with one second left to force overtime.
No. 3 McDonogh 65, No. 9 Roland Park 36: Taylor Cummings scored 21 points to power the host Eagles (19-1) past the Reds (11-9).
No. 8 Meade 76, North County 29: Jana Williams scored 20 points to power the visiting Mustangs (10-5) past the Knights.
No. 11 Catonsville 44, Hereford 43, OT: The visiting Comets (15-2) fell behind and had to force overtime, where they outscored the Bulls 5-4.