Howarth lines up at stand-off and will be partnered by fellow Warrior Chris Black at scrum-half for the Integrated Tournament match with Aberdeen GSFP at Meggetland on Saturday (ko 12.30pm).
Glasgow winger Rory Kerr is included in the Hawick team to face Jed-Forest at Mansfield this Sunday (ko 3.00pm). Rory will be in direct opposition to fellow Warrior Jon Steel. Glasgow prop Lee Harrison plays at tighthead for Melrose in their match with Stirling County at Bridgehaugh (ko 8.00pm).
Glasgow Hawks include three Warriors in their squad for the game with Currie at Old Anniesland on Sunday (ko 3.00pm). Kenny Sinclair, Andy Kelly and Ian McInroy will hope to help Hawks maintain their position at the top of the Integrated Tournament table.