Lorne Smith's 4-yard touchdown pass to Scott Banerjee with 12 seconds left lifted No. 9 Gilman (5-2, 3-1) to a 32-30 Maryland Interscholastic Athletic Association A Conference victory over No. 5 Loyola (4-2, 2-1).
James McIntyre (five receptions, 113 yards) set up the play with his 90-yard kickoff return.
Loyola, which had a four-game winning streak, led 30-25, after Brian Nicholas' 57-yard scoring pass to Ben Fortkamp with 32 seconds left.
Poly 26, Salesianum (Del.) 14
Randy Beaman ran for 154 yards and three touchdowns to move No. 3 Poly over visiting Salesianum School (Del.).
The Engineers (7-1) now take the lead in the closely contested rivalry, 13-12-7.
Mt. St. Joseph 47, Calvert Hall 6
Archie Wannamaker rushed for 201 yards and three touchdowns as visiting No. 8 Mount St. Joseph (7-1) routed Calvert Hall (2-5).
Jevon Norris rushed for 171 yards for the Gaels, who built a 28-0 halftime lead.
Lucas Phillips completed 10-of-18 passes for 287 yards and one touchdown.