Vagabonds Ladies team won in dramatic fashion to deny unbeaten champions Sale a perfect season.
The Ballafletcher side won 29-31 thanks to a late conversion from captain Sammie Mac.
The team said: “The scorching sun made it tough, but we dug deep for each other and left everything out there.
“We channelled our inner Rocky after Jack’s pre-game hype and it sure paid off.
“We are so proud of this team – what an incredible fight, and a spectacular finish from our captain Sammie Mac, who secured us the win in the last few minutes with her conversion.”