The Arizona Cardinals will sign quarterback Zac Dysert off their practice squad in anticipation that starter Carson Palmer might not be ready to return from concussion protocol for a Thursday game against the San Francisco 49ers, reports ESPN’s Adam Schefter.

Dysert beat out Aaron Murray for the third quarterback gig after the Cardinals parted ways with former No. 3 signal-caller Matt Barkley following the preseason. CLICK HERE FOR MORE DETAILS.