Former 49ers defensive end Chase Young signed with the New Orleans Saints on Monday. Kyle Terada-USA TODAY Sports

A knee injury represents a significant reason Chase Young is now with the Saints after a declined fifth-year option led him to free agency. But the former Defensive Rookie of the Year will spend extensive time rehabbing another issue this offseason.

Young will undergo neck surgery, according to ESPN.com’s Adam Schefter, who adds the talented edge rusher is expected to be sidelined into training camp. The Saints expect Young to be ready for the season, and while they were comfortable with the fifth-year veteran’s neck issue upon signing him Monday, it will be a while before he is in uniform again.

This procedure helps explain why Young ended up with a “prove it” deal. Young's talent stood out even on a market featuring some starter-caliber edge rushers with upside. But his 2021 knee trouble — a torn ACL and ruptured patellar tendon — sidelined him for nearly all of the 2022 season. With that in his rearview mirror and this neck issue a factor, Young did not land a multiyear contract. The Saints gave the former Heisman finalist a $13M guarantee for the 2024 season. That illustrated other teams were willing to bet on Young now.

The Saints indeed secured exclusive negotiating rights with Young until March 2025. That will give the NFC South team a chance to evaluate a player whose trajectory once seemed to be soaring beyond “prove it” deal territory. However, Young lost nearly two seasons due to the knee injury. After he started well with the Commanders before a midseason trade last year (five sacks), he could not display the same form with the 49ers, registering 2.5 sacks in eight games. Still, Young is going into only his age-25 season. He has time to rebuild his value ahead of a potentially lucrative third contract.

That said, this neck surgery will introduce another complication here. It is certainly possible the Saints will want to see an extensive run of Young health before considering an extension. Young also may be interested in proving it to enhance his 2025 market, seeing as he was not planning to discuss a new Commanders deal until after the 2024 season. The Saints will wait on the once-prized prospect for a while, as it now appears less than a lock Young will be ready for Week 1.

More must-reads:

TODAY'S BEST
Yankees place breakout RHP on injured list
What we know about Aaron Rodgers getting foot treatment at Jets camp
Red Sox lose two-time Gold Glove winner to injury
Cowboys HC shares mixed messages on Micah Parsons missing OTAs
Lions OC explains surprising decision to stay with team
Chiefs considering big change to kickoffs in response to new rules
Watch: Twins DH Ryan Jeffers snaps home run drought with two in consecutive at-bats
Watch: Brewers outfielder turns on the jets to give team early lead against Cubs
Massive favorite Nelly Korda makes septuple-bogey, close to last place at U.S. Women's Open
Coach on Lakers short list will interview with Cavaliers
Arkansas HC John Calipari reveals his new roster-building strategy
Reporters expand on Patriots' handling of Drake Maye, QBs
One of baseball's best prospects expected to miss over a month with quad strain
49ers' George Kittle makes shocking revelation about 2023 season
Dolphins' Jaylen Waddle joins elite WR group with contract extension
Mavs' Dereck Lively listed as questionable for Game 5
French Open announces massive change for fans following player complaints
Incredible stat sums up KAT's importance to Timberwolves
Former NBA guard basks in EuroLeague title
Why the Wizards made the right hiring with HC Brian Keefe