Both programs had transfer movement before the 2025 season, although a portal entry alone did not establish a player's eventual roster role or on-field production.
Portal Movement
Public trackers show that both programs had meaningful movement. Alabama added players such as Isaiah Horton, Kelby Collins, Kam Dewberry and Arkel Anugwom while also losing players through the portal. Auburn's tracker showed movement across quarterback, defensive back, offensive line and defensive line groups.
Alabama's portal activity touched receiver, defensive line and offensive line depth. Auburn's tracker showed movement across several position groups. A transfer's effect on a depth chart depended on enrollment, health and competition for playing time.
Transactions and Playing Time
Entering the portal, committing to a school and appearing on its roster are different steps. A player's role could change again once the season began.
Transfers also faced competition from returning players and recruits. The impact of a move depended on snaps, starts and production, not only the initial announcement.
Portal movement changed each team's available options, but it did not establish the outcome of a later Alabama-Auburn meeting.
Iron Bowl Lens
The durable rivalry point is simple: both Alabama and Auburn used the portal to manage depth before the 2025 season, and the consequences had to be judged on the field rather than from a winter transaction list alone.
For Alabama, the question was whether portal additions could support a roster still built around high-school recruiting. For Auburn, the question was whether heavier portal movement could accelerate a rebuild without creating another round of churn. Those are useful rivalry questions, but they need season evidence before becoming conclusions.
Transfer movement shaped the pool of available players; the Iron Bowl still depended on development, health, game plans and roster retention.