The San Francisco 49ers enter the final stretch before the NFL trade deadline as one of the league’s most formidable teams, sitting unbeaten with ample financial flexibility and a clear window to reinforce their roster.

With the November 10 deadline approaching, attention has turned to a familiar name from their recent past: Indianapolis Colts defensive tackle DeForest Buckner.

League sources indicated to ESPN’s Adam Schefter that the 49ers represent one club that could pursue Buckner, the interior lineman who began his career in San Francisco after being selected seventh overall in the 2016 draft.

Bucker — who is on pace to collect $160 million in career earnings — spent four seasons with the 49ers, contributing to a Super Bowl appearance in 2019 before the organization traded him to Indianapolis in exchange for a first-round pick the following offseason.

That decision, driven by salary-cap considerations at the time, has resurfaced as a point of discussion now that the 49ers hold one of the largest amounts of available cap space in the league and face questions along their defensive front.

Indianapolis sits at 2-4 and recently parted ways with longtime general manager Chris Ballard, prompting speculation that the franchise could become active sellers.

Reporting has indicated strong interest across the league in Buckner, who is in the final year of his contract and has remained productive despite the team’s struggles.

The 32-year-old has recorded multiple sacks through the early portion of the season while continuing to generate consistent pressure, and he has publicly voiced frustration with the organization’s repeated inability to contend.

After a recent loss, he remarked that he was tired of the same cycle and emphasized his desire to compete for a championship.

For the 49ers, a reunion would address depth and experience needs created by injuries, including ongoing recovery for edge rusher Nick Bosa. Fullback Kyle Juszczyk has already signaled support for bringing Buckner back, and the defensive line’s current configuration has left room for an established interior presence.

Because Buckner’s deal expires after this season, any acquisition would function largely as a short-term addition, which could keep the draft compensation modest relative to his production and pedigree as a two-time All-Pro and three-time Pro Bowler.

Whether Indianapolis ultimately decides to move veterans remains contingent on the results of its next several games, and other teams have also been linked to Buckner.

Still, the combination of the 49ers’ record, cap flexibility, and prior relationship with the player has made them a logical fit in early speculation. As the deadline nears, the possibility of Buckner returning to the Bay Area offers a reminder of how quickly roster decisions from years earlier can circle back when contenders seek immediate help.