Braswell graduated from Penn State in 2019 after playing one season with the Nittany Lions.
Baldwin was last year's Big Ten Defensive Player of the Year.
"What I wish to come out of this is for Aird to acknowledge that some of his behavior and treatment to past players was unwarranted, inappropriate, damaging, and/or harmful."
The Nittany Lions trailed for the final 38 minutes of the game.
Hardin had been at Penn State since 2003 and the Bellisario College dean for more than 10 years.
Gladieux previously played for the United States team in the Paris 2024 Olympics.