Crucial red-zone fumble mars Mariota's debut as Falcons QB

Atlanta Falcons quarterback Marcus Mariota (1) runs out of the pocket against the New Orleans Saints during the first half of an NFL football game, Sunday, Sept. 11, 2022, in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons quarterback Marcus Mariota (1) throws the ball on the run against the New Orleans Saints during the first half of an NFL football game, Sunday, Sept. 11, 2022, in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons quarterback Marcus Mariota (1) hits New Orleans Saints linebacker Pete Werner (20) during the second half of an NFL football game, Sunday, Sept. 11, 2022, in Atlanta. (AP Photo/John Bazemore)

New Orleans Saints safety Marcus Maye (6) and New Orleans Saints defensive end Marcus Davenport (92) hits Atlanta Falcons quarterback Marcus Mariota (1) during the first half of an NFL football game, Sunday, Sept. 11, 2022, in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons quarterback Marcus Mariota (1) passes against the New Orleans Saints during the second half of an NFL football game, Sunday, Sept. 11, 2022, in Atlanta. (AP Photo/Brynn Anderson)