"People cannot give up on the system," Collins told "The Story" host Martha MacCallum. "Right now, we have to turn our voters back out."
Collins missed out on the runoff after he came in third behind Loeffler and Perdue in a race that included several candidates from both parties.
Both President Trump and Vice President Mike Pence plan to visit the state this weekend to campaign for Loeffler and Perdue.
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