Dumbarton have signed Queen's Park midfielder Darren Miller and Alloa forward Kevin Cawley as boss Stevie Aitken builds his squad for 2015/16.
The new Sons gaffer had already snapped up Grant Gallagher from Stranraer and Gregor Buchanan from Dunfermline since taking over from Ian Murray.
Miller told the club website: "I'm over the moon to have signed for Dumbarton. I can't wait to start, and to play in the Championship is a big attraction.”
Cawley added: "I was four years at Alloa and I loved my time there but I needed a new challenge and I think I'll be able to help Dumbarton push on, so when I knew the gaffer was interested in signing me I was happy to come to the Sons."
Meanwhile, skipper Andy Graham has agreed a 12-month contract extension with the club.
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