He participated in three practices at tackle, was moved to guard during practice four, told the coaches afterward he was done with football and left the team. He did not sustain an injury in practice and was medically cleared to play. He had been receiving treatment and managing pain, like many other players. Numerous players have had multiple concussions and deal with pain. Jauan Jennings has had two knee surgeries since January. Trey Smith is dealing with recurring blood clots. They're with the team, supporting their teammates from the sidelines when they can't practice or play. That is their choice. Nathan Niehaus made a different one.
Now, those are facts. If you find them offensive, that's your issue, not mine.