Day said in a statement released by the university that he made his decision after talking with his family, friends and Notre Dame coaches. He called the decision difficult, saying: ''I just felt it was in my best interest to play another year for Notre Dame.''
Day was one of the captains this past season as the Irish finished 8-5. He finished eighth on the team in tackles with 40 despite missing two games with a sprained knee. He finished tied for second in tackles for loss with 7.5.
The 6-2, 285-pound junior from Indianapolis is scheduled to graduate in May with a degree in information technology management.