The European Tour star made an early run with a championship record-tying 63 but lamented a missed 8-foot birdie putt on 18. He lost to Brooks Koepka by one.
The graduating senior will attend Milford Academy in the fall and enroll at Temple in January
The 2016 Open champion seems ready to win another one thanks to a solid game and the mental makeup needed to deal with the challenges of a major.
Saddiq Bey, who attended the same Washington, D.C. high school as former Villanova star Josh Hart, committed Friday to Villanova after previously de-committing from North Carolina State.
The three-time Open champion began his opening round with a triple bogey and faded late, firing an 8-over-par 78 at Shinnecock Hills Golf Club.
The world's No. 1 player stayed solid on a day when the game's best players struggled, and his 1-under-par 69 put him in a four-way tie for the opening-round lead.
Temple will have home-and-home series with seven teams.
A Division I player now will be able to compete in up to four games and not lose his redshirt season.
The first-year coach is laying down the foundations of his program.
Day, who has a win and 13 other top-10 finishes in majors, said if he puts his mind to being the best player in the world, he feels he can do it.
The popular golf course architect will be part of Fox Sports coverage of the Open for the fourth straight year.
Saint Joseph's and La Salle will play five teams twice, four others at home and four more on the road. They will play each other twice.
The Villanova grad could go as high as No. 7 to the Chicago Bulls or slip to the Sixers at No. 10 in the June 21 draft.