Scottish Rugby Academy Stage 3 Nick Grigg makes his first appearance for Stirling County in the Premiership meeting with Currie at Malleny Park.
Calum Hunter-Hill is on the bench for County.
Gary Strain and Stephen Findlay - who both have short-term deals with Warriors - turn out for Glasgow Hawks against Ayr at Old Anniesland.
Academy Stage 3 players, Andrew Davidson, George Horne and Matt Smith also feature for Hawks.
The visitors include Ayr/Warriors partnership player Javan Sebastian along with Fergus Scott, James Malcom and Ali Price.