The Arizona Cardinals have found their backup quarterback.

Arizona has agreed to trade wide receiver Rondale Moore to the Atlanta Falcons for quarterback Desmond Ridder, according to multiple reports including NFL.com and ESPN.

The move will give the Cardinals a more experienced backup in the 6-foot-3 Ridder, who has started 17 of the 19 games he’s played for Atlanta. He was the Falcons’ third-round pick out of Cincinnati in 2022 and went 8-9 as a starter.

The only other quarterback under contract in Arizona beyond Murray has been Clayton Tune, a fifth-round pick last year out of Houston. He started one game for the Cardinals last season before Murray returned from his torn ACL and was intercepted twice during a 27-9 loss at the Browns, a game in which Arizona only mustered 58 total yards of offense.

Ridder, 24, became expendable in Atlanta following the news that the Falcons had agreed to terms with veteran free agent quarterback Kirk Cousins on a four-year, $180 million deal.

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Ridder completed 64.2% of his passes last season for 2,836 yards and 12 touchdowns. He was also intercepted 12 times in going 6-7 as the starter. He started the last four games of his rookie season in 2022, passing for 708 yards and two touchdowns with no picks in going 2-2.

Ridder will make $1.2 million this coming season and $1.4 million in 2025 if he's on the roster for the 2025 season, the final year of his rookie deal.

Tune, 24, is expected to remain on the roster.

The 5-foot-7 Moore, 23, was a second-round pick in 2021 from Purdue and never was able to work his way into a regular role in the Cardinals’ offense. He was used mostly as a gadget-play weapon and third-down option and received multiple snaps as a ball carrier out of the backfield.

He caught a career-low 40 passes last season for 352 yards and one touchdown and had 28 carries for 178 yards and one touchdown. In three seasons combined, he finishes his Cardinals career with 135 receptions for 1,201 yards and three touchdowns and 52 carries for 249 yards and one score.

Moore’s departure figures to open the door significantly for 5-7 receiver Greg Dortch, who is returning on a one-year deal.

Dortch had a career-high 52 receptions for 467 yards and two touchdowns for the Cardinals in 2022, which included four starts. He finished with 24 receptions for 280 yards and two touchdowns last season, while also averaging 21.2 yards on 17 kickoff returns with a long of 40 yards and 9.5 yards on 29 punt returns with a long of 49 yards.

When he’s targeted eight or more times in a game, he’s responded with some impressive numbers. He has 48 catches for 502 yards in those seven such situations.