Culcairn defender Trent Logue bobbed up with the match-winning goal in the dying minutes to sink a severely depleted CDHU by three points at Culcairn on Saturday.
Trailing by nine points at the final change the Lions booted four goals to two to snatch a thrilling 10.11 (71) to 10.8 (68) victory.
Debutante Lachie Knobel got the Lions to within less than a kick after booting the ball from outside 50m which cleared the pack and rolled through for a miraculous goal.
Logue received a relayed down the field free kick shortly afterwards to have a set shot from 35m out.
He became an unlikely hero for the Lions after he coolly slotted the goal and handed his side the lead with minutes remaining.
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A gallant CDHBU had one last roll of the dice when paid a deliberate out of bounds.
The set shot from the boundary by Russell Anderson hit the inside of the goal post before the final siren sounded shortly afterwards.
Lions coach Craig Bosley praised Logue for his match-winning conversion.
"Lachie Knobel kicked a 60m goal on debut to give us a sniff," Bosley said.
"Then the oldest man on the field stepped-up to slot the sealer.
"I had no faith in Logie of kicking it whatsoever.
"But to his credit, Trent showed a lot of poise."
Bosley said both teams had more than half their side missing.
"Our attack comprised one 22-year-old and the rest were under 18," he said.
"We had three 16-year-old kids playing including Lachie Knobel and Harry Lee."
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