 Focused on sharpening his defensive shutdown ability, Alt took on a leadership role as a sophomore in the 2011–12 season, while increasing his points totals with 5 goals and 22 points in 43 games.In his junior season in the 2012–13 season, Alt fully transitioned to a shutdown defense role in recording just 7 assists in 39 games for the Gophers.During the campaign, Alt's NHL rights were traded by the Hurricanes to the Philadelphia Flyers on January 13, 2013 along with Brian Boucher for Luke Pither.