NFL Free Agent QBs Right Now: Broncos’ Top Potential Options After Bo Nix’s Injury

Bo Nix's season-ending ankle injury leaves Jarrett Stidham as the Broncos' AFC Championship starter. Who are the top free-agent QBs, and will Denver sign one?

Sean Payton’s message landed with unmistakable clarity on Saturday night after Bo Nix’s devastating injury: backup quarterback Jarrett Stidham is ready, and Denver isn’t looking elsewhere.

“I feel like I’ve got a two that’s capable of starting for an ample number of teams,” Payton told reporters after announcing Bo Nix’s season-ending ankle fracture. “So watch out. Watch. Just watch.”

The Broncos won’t sign a free agent quarterback off the street before the AFC Championship Game. They shouldn’t. The Philip Rivers experiment that Indianapolis ran this season — and its 0-3 record — provides a cautionary tale in real time.


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Why Denver’s Best Option Is Already in the Building

Rivers came out of a five-year retirement at 44 years old to rescue the Colts’ playoff hopes after Daniel Jones tore his Achilles in Week 14. He knew Shane Steichen’s system intimately. Fourteen of his former teammates still played in Indianapolis. The training staff, the equipment room, and the terminology were all familiar. Rivers completed 63.0% of his passes and posted respectable numbers across three starts.

However, the Colts lost all three games.

Learning an NFL offense in a week is effectively impossible. Payton runs one of the league’s most nuanced systems, demanding precise timing and route adjustments that take months to internalize. Stidham has spent three seasons absorbing it. He’s been in the quarterback room with Nix daily, breaking down film, running the scout team, and preparing as if his number might be called.

“There is no gray area with Sean,” Stidham said earlier this season. That’s precisely why he’s the right choice now. He understands what Payton wants before Payton says it.

Also, the free agent quarterbacks offer no viable alternative. Scan the list of unsigned quarterbacks, and the names make it clear that this isn’t the path Denver wants to go down.

Ryan Tannehill, 37, hasn’t taken an NFL snap since 2023. In November, he told reporters he believes “that chapter is closed.” Colin Kaepernick, 38, last played in 2016 and spent nearly nine years waiting for a call that never came. Jake Fromm, 27, was released by Detroit last April and remains unsigned. Taylor Heinicke, 32, was released by the Chargers in August and hasn’t found a roster since.

Some fans may immediately wonder about Tom Brady (even though he’s 48 years old), but his ownership stake in the Las Vegas Raiders prevents him from making another NFL comeback.

The rest of the free agent quarterback market is equally uninspiring. Tim Boyle signed with Tennessee last March, was waived in August after a disastrous preseason outing, and remains unsigned. Dorian Thompson-Robinson bounced from Cleveland to Philadelphia to the UFL’s Orlando Storm. Clayton Tune was cut by both Arizona and Green Bay this season. Bryce Perkins won UFL MVP last spring, got a brief Panthers audition in August, was waived within a week, and ended up in the Canadian Football League.

MORE: NFL World Reacts to Bo Nix’s Stunning Injury — ‘Whoa, This Is Awful’

These aren’t hidden gems waiting for an opportunity. They’re players who couldn’t crack 53-man rosters across the league — some of them multiple times in the same calendar year.

Even if Denver could pluck a veteran off the street, that quarterback would face either the Patriots or Texans defense with roughly eight days of preparation in an offense built on pre-snap reads and option routes. The calculus doesn’t work.

Stidham’s track record isn’t extensive, but it exists. His first NFL start with the Raiders in 2022 produced 365 yards and three touchdowns against San Francisco. His two starts closing the 2023 season for Denver — after Russell Wilson was benched — yielded 496 yards, two touchdowns, and one interception. He’s 1-3 as a starter, but that record includes games with nothing to play for on bad teams.

This is different. This roster went 14-3 and earned the AFC’s top seed. It’s also worth noting that he led the league in preseason passer rating last August.

Denver’s Defense Is the Actual Insurance Policy

The conversation around Nix’s injury has fixated on who throws the football. The more relevant question: Does it matter as much as everyone assumes?

Denver’s defense forced four turnovers against Josh Allen on Saturday night. Pat Surtain II has established himself as the league’s best cornerback. Nik Bonitto and the pass rush generated consistent pressure throughout the Bills game. Vance Joseph’s unit has carried this team through tight contests all season — the Broncos went 12-2 in one-score games, a mark that speaks to defensive reliability in crucial moments.

Stidham doesn’t need to be Bo Nix. He needs to protect the football, convert third downs at a reasonable clip, and let Wil Lutz stay busy. The Broncos beat Buffalo 33-30 in a game where Nix threw an interception and completed just 56.5% of his passes. The offense wasn’t dominant, the defense was.

Payton won Super Bowl XLIV with a game-managing Drew Brees performance: 32-of-39 passing, 288 yards, no turnovers. He understands how to win with a formula that doesn’t require the quarterback to be spectacular. The 2015 Broncos won Super Bowl 50 with a defense that suffocated opponents while Peyton Manning threw nine touchdowns and 17 interceptions during the regular season. Denver has the best defense in the league, according to PFSN’s Defense Impact metric.

Stidham’s job description is simple: Don’t lose the game. The defense can win it.

The Broncos re-signed Stidham to a two-year, $12 million deal last March specifically because Payton valued his preparation and system knowledge. This wasn’t a flyer on a cheap backup. Denver invested in continuity, betting that if Nix ever went down, they’d have someone who could step in without a learning curve.

Now, we’ll see if that bet pays off. Either way, the decision was made nine months ago. Signing someone off the street now would be an admission that the original plan failed, and it would almost certainly produce worse results than trusting the player they’ve developed.

“This team all year has lost key players and we’ll rise up for the next challenge,” Payton said Saturday. This isn’t just coach-speak. This is a deep roster with a system designed to function regardless of individual personnel.

The AFC Championship Game will be won or lost on whether Denver’s defense can replicate its performance against Allen, whether the offensive line can keep Stidham clean, and whether Courtland Sutton, Marvin Mims Jr., and Evan Engram can create separation. Stidham’s arm talent is adequate. His decision-making has been sound when given opportunities. His ceiling is lower than Nix’s, but his floor isn’t as far down as a random free agent operating from a playsheet of maybe 30 calls.

The Broncos aren’t looking for a savior. They have a backup quarterback, an elite defense, and a coach who has won a Super Bowl. That combination has worked before.

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