Tune will return to a backup role after Cardinals head coach Jonathan Gannon confirmed Friday that Kyler Murray (knee) will start Sunday's game against the Falcons, Donnie Druin of SI.com reports.

Tune completed 11 of 20 passes for 58 yards with no touchdowns and two interceptions in the Cardinals' 27-0 loss to the Browns on Sunday. He also rushed five times for 28 yards and lost a fumble.

Tune will start Sunday against the Browns after the Cardinals did not activate Kyler Murray (knee) off the reserve/PUP list Saturday.

Coach Jonathan Gannon said Friday that he'll make a decision in the next 24 hours regarding who among Kyler Murray (knee) or Tune will start Sunday's game at Cleveland, Darren Urban of the Cardinals' official site reports.

Coach Jonathan Gannon said Monday that Tune or Kyler Murray (knee) will be the Cardinals' starting quarterback Sunday at Cleveland, Darren Urban of the team's official site reports.

Tune took reps with the Cardinals' second-team offense in warmups, confirming he'll serve as the backup to starting quarterback Joshua Dobbs in Sunday's season opener in Washington, Jose M. Romero of The Arizona Republic reports.

Tune is in line to be the Cardinals' No. 2 quarterback during Sunday's season opener in Washington, Ian Rapoport of NFL Network reports.

Tune and Joshua Dobbs are Arizona's top options to start Week 1 versus the Commanders following the team's release of Colt McCoy, Adam Schefter of ESPN reports.

Tune completed nine of 12 passes for 85 yards, no touchdowns and no interceptions during Saturday's 18-17 preseason win at Minnesota.

Tune ran Arizona's second-team offense in Thursday's practice after Colt McCoy worked with the first team, Jess Root of USA Today Cards Wire reports.