Johnson (concussion) won't return to Sunday's NFC Championship Game against the Eagles.

EDGE Analysis

With Johnson having been ruled out for the rest of the contest, Brock Purdy is back in the game, despite dealing with a right elbow injury. Prior to his exit, Johnson completed seven of his 13 passing attempts for 74 yards.

Johnson is being evaluated for a concussion during Sunday's NFC Championship Game against the Eagles.

EDGE Analysis

Johnson had been pressed into action after Brock Purdy suffered a right elbow injury. Now, Johnson has exited the context, with Purdy back at QB for the 49ers for the time being.

Johnson will likely remain the 49ers' backup quarterback for Thursday's game against the Seahawks with Brock Purdy (oblique/ribs) listed as questionable but expected to start, Adam Schefter of ESPN reports.

EDGE Analysis

Johnson played 11 snaps on offense in relief of the banged-up Purdy in the 49ers' 35-7 win over the Buccaneers, completing one of two pass attempts for 10 yards while carrying twice for three yards. Though Purdy was listed as a limited practice participant Monday through Wednesday and will presumably be at something less than 100 percent health Thursday, he looks set to play through the pain for what will be his second straight start since Jimmy Garoppolo (foot) suffered what was likely a season-ending injury in the Week 13 win over the Dolphins.

The 49ers signed Johnson off the Broncos' practice squad Tuesday.

EDGE Analysis

This marks Johnson's fourth stint with the 49ers in some capacity, but he now is only one snap away from getting his first game action with the team. On Sunday, Jimmy Garoppolo likely was lost for the season due to a broken foot, setting the stage for Brock Purdy to take over the offense. But Purdy was in need of an experienced hand behind him, and Johnson has been called upon to do just that. In 37 appearances (nine starts) between six organizations, Johnson has a 58.1 completion percentage, averaged 6.4 yards per attempt and compiled a 13:16 TD:INT.

The 49ers plan to sign Johnson to their 53-man roster, Adam Schefter of ESPN reports.

EDGE Analysis

Johnson has spent most of the year on the Broncos' practice squad, but the 49ers need help at quarterback after Jimmy Garoppolo sustained a season-ending foot injury Sunday. It seems likely that the 49ers will utilize Brock Purdy as their starting quarterback, but Johnson should provide a veteran presence in the locker room with the ability to fill in if Purdy struggles or gets hurt.

Johnson reverted to the Broncos' practice squad Monday, per the NFL's transaction log.

EDGE Analysis

Johnson was active but did not play after being elevated from the practice squad for Sunday's loss to the Jets. The veteran quarterback served as Denver's No. 2 quarterback behind Brett Rypien, as Russell Wilson was sidelined with a Grade 2 hamstring injury Week 7. Johnson completed 57 of his 85 passes for 634 yards and five touchdowns to two interceptions over four games between the Ravens and Jets last season, and he should continue to serve as the Broncos' quasi-backup quarterback if Wilson can't return Week 8 versus the Jaguars.

Johnson was elevated from the practice squad Saturday and will serve as the Broncos' backup quarterback in Sunday's matchup against the Jets, Aric DiLalla of the Broncos' official site reports.

EDGE Analysis

Russell Wilson (hamstring) has been ruled out from the game, which has shaken up Denver's quarterback room. Brett Rypien will get the chance to start his second career game, while Johnson will be active for his first game of the campaign.

Johnson signed with the Broncos' practice squad Wednesday, Aric DiLalla of the team's official site reports.

EDGE Analysis

Johnson surprisingly failed to make the 53-man roster after seemingly running ahead of Brett Rypien for most of training camp. The veteran quarterback went unclaimed on waivers and will be on hand as a potential roster addition should Russell Wilson or Rypien have to miss any time.

The Broncos are slated to release Johnson, Mike Klis of 9News Denver reports.

EDGE Analysis

With the move, fellow QB Brett Rypien slots in as Russell Wilson's backup, though Klis notes that the Broncos hope to re-sign Johnson to their practice squad in the coming days.

Broncos head coach Nathaniel Hackett said Wednesday that Johnson will be the backup quarterback to Brett Rypien and will play the second half of Saturday's preseason contest against the Vikings, Aric DiLalla of the Broncos' official site reports.

EDGE Analysis

Hackett said Rypien has earned the chance to be the starter against Minnesota, but he also wants to see consistency from both quarterbacks during the preseason finale. Johnson was impressive in Denver's first exhibition contest but was lackluster against the Bills on Saturday. The 36-year-old was the early favorite to earn the No. 2 spot behind Russell Wilson, but it appears like the preseason finale will be the final test for both quarterbacks to prove they deserve the backup gig.