Vikings quarterbacks Joshua Dobbs, left, and Jaren Hall, right, warmed up before Sunday’s game in Atlanta. Hall didn’t make it out of the first quarter in his first NFL start because of injury, forcing the just-acquired Dobbs into action.

— Elizabeth Flores, Star Tribune

Gallery: Vikings defeat Falcons 31-28

Joshua Dobbs played three quarters at quarterback after Jaren Hall suffered a concussion, finding Brandon Powell for a go-ahead touchdown pass with 22 seconds left.

Podcast: Joshua Dobbs runs wild, leads Vikings to win over Falcons

Ben Goessling joins Andrew Krammer from Atlanta to recap Dobbs' performance and mobility, coach Kevin O'Connell's leadership and the direction of this NFC playoff contender.

Three keys to the Vikings' 31-28 win against the Falcons

Five days after joining the Vikings, quarterback Joshua Dobbs led three touchdown drives in a comeback victory in Atlanta.

Vikings rookie quarterback Jaren Hall leaves first start with concussion

Vikings rookie quarterback Jaren Hall (16) sustained a concussion while trying to run for the end zone on a third down in the first quarter.

— Elizabeth Flores, Star Tribune

A hard hit in the first quarter knocked Jaren Hall out of the game against the Falcons. Newly acquired QB Joshua Dobbs came in and led the team to a win.

Vikings lose Cam Akers to Achilles injury, two players to concussions during win over Falcons

Vikings running back Cam Akers had eight carries for 25 yards against the Falcons before leaving in the third quarter with an injury.

— Elizabeth Flores, Star Tribune

The Vikings continued piling up injuries during their victory in Atlanta and dipped into their depth at the start of the game when Christian Darrisaw's groin injury kept him sidelined.

Surprising Brandon Powell battles through cramps to score Vikings' decisive touchdown

Vikings guard Dalton Risner (66) lifted receiver Brandon Powell (4) as they celebrated Powell’s winning touchdown.

— Elizabeth Flores, Star Tribune

Journeyman receiver Brandon Powell made the winning TD catch in the closing seconds in front of more than a dozen family members.

Vikings quarterback Joshua Dobbs introduces himself to Minnesota with a win

Vikings quarterback Joshua Dobbs (15) breaks loose from the defense and scores a touchdown in the third quarter.

— Elizabeth Flores, Star Tribune

The backup to the backup, pressed into duty, authored an improbable victory. He had to start with the most basic of basics when he took over for injured rookie Jaren Hall.