Tua Tagovailoa was benched by the Miami Dolphins mainly because the team believed his performance had declined and that rookie Quinn Ewers now gave them a better chance to win and evaluate the future of the franchise. The move came after the Dolphins were effectively out of the playoff hunt and followed a stretch of games with turnovers and inconsistent play from Tua.

What the coach said

  • Head coach Mike McDaniel announced that Tua would be benched for the remainder of the 2025 season in favor of rookie quarterback Quinn Ewers.
  • McDaniel framed the decision as choosing the best option to win remaining games and to get a clearer look at Ewers heading into future seasons.

On‑field performance issues

  • Reports note a run of “poor games” from Tua, marked by interceptions and fumbles that hurt Miami’s offense and raised questions about his ceiling as a starter.
  • Some analysts have argued that Tua had become “unplayable” at times and that the staff needed to see whether Ewers could execute the offense more effectively.

Health, durability, and long‑term concerns

  • Commentators and forum discussions frequently mention accumulated injuries and physical wear, including lower‑body issues, as factors that may have limited Tua’s effectiveness and durability.
  • Because of his injury history, some fans and writers suggest the team may be protecting its investment while also preparing to move on at quarterback if his physical level does not rebound.

Contract and future implications

  • Tua signed a large extension in 2024, giving the Dolphins an expensive decision if they want to change directions at quarterback.
  • The benching has widely been interpreted as a signal that, at best, he might be a short‑term “bridge” QB in Miami, and at worst, that the team could explore trades or a reset after evaluating Ewers.

TL;DR: Tua got benched because of a combination of recent poor play, concerns about his long‑term upside and durability, and the Dolphins’ desire to evaluate rookie Quinn Ewers and clarify the team’s future at quarterback. Information gathered from public forums or data available on the internet and portrayed here.