Penn State hired Iowa State safeties coach Deon Broomfield on December 11.
Mack earned starting safety reps early in the season.
Boyer played in seven games this season.
Unlike last season, Penn State men's hockey finds themselves in strong position for the postseason at the start of January.
The band canceled all dates on their College Dropout Tour due to health reasons.
Rucci started 18 games across two seasons for the Nittany Lions.