How many true freshmen have started on offense or defense in game one during the Brian Kelly years? And of those (if there are any), how many started the first game of their true freshman year without early enrolling?
The odds are against Hamilton or any other freshmen making a significant contribution on offense or defense in game one, especially those who were not available for Spring practice. Perhaps some will see action on special teams or as a sub for a few plays, but I doubt you will see any of them starting the game on the 1st team offense or 1st team defense.