49ers Lose Defensive Assistant to the Green Bay Packers

By Dylan Grausz

In what has been a busy offseason for the San Francisco 49ers, the team has faced another significant coaching departure as defensive backs coach Daniel Bullocks is set to leave the organization after nine seasons. The veteran coach, who has been instrumental in developing some of the 49ers’ top defensive backs, is leaving to join the Green Bay Packers under head coach Matt LaFleur. Bullocks’ exit adds to the growing list of changes that are reshaping the 49ers’ defensive coaching staff, with the Packers poised to benefit from this experienced addition.

Bullocks’ Departure and the Packers’ Gain

Daniel Bullocks has been a key member of Kyle Shanahan’s coaching staff since 2017, serving as the assistant defensive backs coach before being promoted to safeties coach ahead of the 2019 season. His time with the 49ers was marked by steady growth and the development of talented players in the secondary, which has consistently been one of the strongest units on the team.

Bullocks’ removal from the 49ers’ official coaching staff page prompted immediate speculation, which was quickly confirmed by CBS Sports’ Matt Zenitz. According to Zenitz, the Green Bay Packers are expected to hire Bullocks, but the exact role he will have on Matt LaFleur’s staff remains unclear. While Bullocks is best known for his work with the defensive backs, it is possible that the Packers could assign him a slightly different responsibility as part of their effort to continue improving their defense.

The Packers’ defense has seen significant growth in recent years under LaFleur, and the addition of Bullocks could be a strategic move to further elevate their secondary. The 49ers’ loss is Green Bay’s gain, as Bullocks brings not only his expertise but also an understanding of how to build a dominant defensive unit. His extensive coaching background in the NFL and college ranks gives him a strong foundation to make an immediate impact on the Packers’ defense.

Bullocks’ Legacy with the 49ers

Bullocks has been a key figure in San Francisco’s defensive success since his arrival in 2017. As one of the first hires made by Kyle Shanahan, Bullocks played a vital role in shaping a defense that became one of the best in the league. Under his guidance, players like Jimmie Ward, Talanoa Hufanga, and Ambry Thomas have flourished in the secondary, showcasing the development and coaching skills Bullocks brought to the table.

His journey with the 49ers began when he was hired as the assistant defensive backs coach in 2017, helping to develop a young secondary that would become a central part of the team’s success. By 2019, Bullocks was promoted to safeties coach, a role he held for the remainder of his tenure. His impact was evident as the 49ers built a defense that became one of the top units in the league, culminating in an appearance in Super Bowl LIV.

Prior to his coaching career, Bullocks was a standout player, earning Second-team All-Big 12 honors at Nebraska before being drafted by the Detroit Lions in the second round of the 2006 NFL Draft. He played four seasons in the NFL before transitioning to coaching, where he began his career at Northern Iowa in 2012. His playing experience, coupled with his coaching success, made him a key figure in the 49ers’ defensive identity.

Impact on the 49ers and Their Defensive Coaching Changes

The loss of Bullocks comes at a time when the 49ers’ defense is undergoing significant changes. With Robert Saleh leaving for the Tennessee Titans and the subsequent hiring of Raheem Morris as the new defensive coordinator, the 49ers are adjusting to a new defensive scheme. Morris, having spent years as a defensive coordinator in the league, will bring a new perspective to San Francisco’s defense, and it is likely he will want to bring in some of his own coaches.

Bullocks’ departure further underscores the ongoing shift in the 49ers’ defensive coaching staff, and it leaves a notable hole in the team’s secondary coaching. While Morris will bring in his own personnel, the absence of Bullocks will be felt, as he was a key mentor to many of the team’s younger defensive backs. The 49ers will need to act quickly to find a suitable replacement, as the secondary has long been a critical component of their defensive strategy.

The Packers’ Defensive Plans and Bullocks’ Role

The Green Bay Packers have had their own defensive struggles in recent years, and the hiring of Daniel Bullocks could be a pivotal move in strengthening their unit. Matt LaFleur, who has been with the Packers since 2019, has led a competitive defense, but Bullocks’ addition signals an effort to take things to the next level.

By bringing in a coach with Bullocks’ experience and track record of developing successful secondary units, the Packers are addressing one of their primary areas of focus. Bullocks’ work with San Francisco’s secondary has earned him a reputation as one of the top defensive backs coaches in the NFL, and the Packers will likely look to him to continue developing their young defensive backs.

It’s possible that Bullocks will be tasked with working directly with Green Bay’s safeties or their entire secondary, helping the team’s young defensive backs adjust to the NFL’s high level of play. With the Packers’ defense still looking to reach its full potential, Bullocks’ expertise will likely play a central role in their efforts to bolster their secondary and improve their overall defensive play.

The 49ers’ Next Steps and Future Defensive Strategy

For the 49ers, the loss of Daniel Bullocks represents a challenge, but it also presents an opportunity to bring in fresh ideas to their defensive coaching staff. Raheem Morris will likely bring in some of his own staff to align with his defensive philosophy, and the team will have to focus on maintaining the defensive success they’ve built over the past few seasons.

Given the success that the 49ers’ defense has had in recent years, the front office will need to ensure that any changes to the coaching staff do not disrupt the continuity and effectiveness of the defense. The secondary has been a vital part of that success, and replacing Bullocks will require finding a coach who can continue developing the young talent that has made the 49ers’ defense one of the best in the NFL.

As the Green Bay Packers strengthen their defense with the addition of Daniel Bullocks, the San Francisco 49ers will be tasked with finding a worthy replacement to fill the gap left by his departure. For both teams, this offseason represents a critical time for building toward the 2026 NFL season, and the decisions they make in the coming months will shape their futures.