The Falcons are set to turn to backup quarterback Kirk Cousins on Sunday as starter Michael Penix Jr. deals with a knee injury.

Although Penix is officially listed as questionable, Cousins is “highly likely” to be the Falcons’ starting quarterback Sunday against the Dolphins, according to Adam Schefter of ESPN.

Penix was limited in practice this week and Falcons coach Raheem Morris said Cousins took a lot of reps with the first-string offense and will be good to go if he’s called upon.

“ I’m really confident in our backup ,” Morris said Friday of Cousins. “We’re going to give [Penix] every opportunity we can give him. The kid is tough. He’s a guy. He’s a stud.”

Last year, the Falcons made the surprising decision both to sign Cousins to a lucrative contract in free agency, and to se

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