BYU Running Back Freshmen: Depth Chart 2026 Update

The BYU running back freshmen are suddenly thrust into the national spotlight as the Cougars face a pivotal shift in their offensive strategy for the 2026 season. You might be surprised to see how quickly the depth chart has evolved following the devastating news that star runner Sione Moa will be sidelined for the foreseeable future. With the Big 12 conference schedule heating up, head coach Kalani Sitake is relying on young talent to bridge the gap.

Moa confirmed via Instagram that his season ended prematurely after a 63-7 victory over Utah Tech left him with a torn MCL and PCL. This injury creates a void that Devaughn Eka and Journee Tonga—players who were originally considered depth options—must now fill. As the Cougars prepare for their high-stakes battle against Arizona, the focus shifts entirely to how these newcomers handle the increased physical intensity of Power Four football.

BYU Running Back Freshmen Step Up

The arrival of Devaughn Eka at BYU last January signaled a new era for the program’s backfield depth. As a highly touted three-star prospect from Lehi High, Eka showcased his utility early in spring camp. His ability to contribute on special teams while learning under veterans made him a valuable asset, but his role has expanded drastically. During his breakout performance against Utah Tech, Eka proved he could handle the heavy lifting, delivering a thunderous 11-yard touchdown run where he simply bulldozed through two separate defenders.

Journee Tonga, meanwhile, represents one of the most unlikely success stories on the current roster. Despite being a walk-on who turned down scholarship offers from programs like Hawaii and San Jose State, Tonga arrived late in the summer and immediately turned heads. Offensive coordinator Aaron Roderick noted that even the first-team defense struggled to bring down the elusive 5-foot-8 runner during training camp. His debut featured a 34-yard explosive carry followed by a 4-yard score, proving his versatility across multiple offensive sets.

While Preston Rex, a former safety turned running back, will likely step into the RB2 role behind reigning Big 12 Offensive Player of the Year LJ Martin, the coaching staff is emphasizing a situational approach. Roderick explained that the team does not strictly adhere to a traditional depth chart. Instead, they aim to feature players based on specific tactical situations. This fluid philosophy allows Eka and Tonga to gain meaningful experience immediately.

Statistical Breakdown of Newcomers

The Road Ahead: Arizona Challenges

The transition from competing against Utah Tech to facing a rigorous Big 12 opponent like Arizona is arguably the greatest challenge these freshmen will face all season. The Wildcats’ defense is historically one of the most physical in the nation, and the Cougars must maintain their intensity to stay competitive. According to ESPN’s coverage of the BYU Cougars, the team’s ability to maintain a consistent run game is paramount to offensive success.

Roderick is clearly preparing his young backs for a trial by fire. After Tuesday’s practice, Eka was spotted working one-on-one with running backs coach Harvey Unga for over 15 minutes. This focused drill work highlights the urgency of getting these freshmen fully acclimated to the playbook. You can find more updates on the latest college sports roster adjustments at Bright Celebrity.

The camaraderie in the locker room remains high. Rex praised his younger counterparts, noting that they are “dogs” in the running back room who are ready to perform. The offensive line’s performance will also be a critical factor, as they must open up lanes against an Arizona front that pride itself on disruption. As Roderick suggested, we will find out exactly how deep this roster is over the next few weeks.

Background and Recruiting Context

The recruitment stories for these two players are quite distinct, illustrating the diverse pathways to becoming a Cougar. Eka, a local product from Lehi, felt a strong pull toward the program due to the school’s proximity to his home and the prestige of the Big 12 membership. His relationship with coach Harvey Unga was a deciding factor, as he valued the coach’s honest, direct approach during the recruitment process.

Tonga, meanwhile, brought a unique background from Leuzinger High in Lawndale, California. He was a multi-positional athlete, having played quarterback, safety, and linebacker before focusing exclusively on running back. His career at the high school level was impressive, totaling 4,030 rushing yards and 48 touchdowns. He chose BYU specifically for its positive environment and the opportunity to shadow stars like LJ Martin. You can learn more about these emerging stars in our sports recruiting portal. This commitment to the culture at BYU underscores why many recruits prioritize the institution’s values alongside athletic growth.

Final Analysis of Cougar Backfield

The loss of a player like Sione Moa is undeniably a setback for BYU, but the emergence of BYU running back freshmen like Eka and Tonga provides a silver lining. These players have already proven they belong on the field, showing explosive capability and high football IQ during their initial opportunities. As the season progresses, the coaching staff’s willingness to adapt and utilize these young players will be tested against top-tier Big 12 competition.

While LJ Martin remains the centerpiece of the rushing attack, the contributions from the deeper bench will determine the ceiling for this offense. The upcoming test against Arizona will be the defining moment for the newcomers to solidify their places in the rotation. For more deep dives into team dynamics, stay tuned to our dedicated coverage of emerging college athletes.

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