Academy hooker Angus Fraser - who last week signed his first pro deal with Warriors - joined Euan Cunningham and Ross McKnight in the starting lineup for Stirling County in their meeting with Boroughmuir at Bridgehaugh.
Murphy Walker and Michael Gray were among the replacements for County.
Second-rower Hamish Bain joined academy centre duo Robbie McCallum and Duncan Munn in Boroughmuir's starting XV helping the Bears to a 26-25 win in an entertaining contest.
Four Warriors started for Ayrshire Bulls in their 62-12 win over Southern Knights at the Green yards. Tom Lambert joined Rory Jackson in the Bulls pack with Christian Townsend and Tom Jordan continuing their partnership at 10 and 12.