Mirtic has experience with the Slovenian Senior National Team.
Emmons joins from Townson University where he played the last two seasons.
Henry ranks as the No. 2 overall player in the class of 2027.
Kelly made 21 appearances over four years with the Nittany Lions.
"Not only is Jack playing at the highest level of the game night now — but he is extremely passionate about making young athletes better men."
It'll be Crafton's first time serving as a general manager.