Desmond clinched two state championships at Bethlehem Catholic as a freshman and sophomore.
Isaac is the seventh Nittany Lion to declare for the draft.
Johnson said he offered the Nittany Lions words of encouragement before Saturday's game.
"We don't want these guys thinking. We want them to go play."
"You can argue you spend more time with your staff than your wife at home."
Whether you got a cool Penn State necklace or a stylish hockey jersey, we want to see it!