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Nebraska Defensive Lineman Mac Markway Retires After Ongoing Knee Problems

The decision ends his comeback attempt following repeated ACL injuries and a failed repair.

Overview

  • Mac Markway announced his retirement via Instagram one game into the season, saying persistent knee damage and five season-ending injuries kept him from playing at the level he wants.
  • He had changed positions from tight end to defensive end this year and recorded six snaps in Nebraska’s win over Ohio before stepping away from competition.
  • Markway’s recovery was complicated by a failed ACL repair during 2025 fall camp and at least three torn ACLs while at Nebraska, which cost him the 2024 and 2025 seasons.
  • Head coach Matt Rhule had recently signaled plans to increase Markway’s role, so his retirement creates immediate depth and roster implications for the Cornhuskers’ front line.
  • Markway said he will remain with the program in a non-playing support role, and he leaves as a former four-star recruit who earned Academic All-Big Ten and Scholar-Athletic Honor Roll distinctions.