grade average. Professional Philadelphia Flyers After his third season of collegiate hockey with the Golden Gophers having scored 39 points in 117 collegiate games, Alt signed a three-year entry level contract with the Philadelphia Flyers on April 7, 2013. He immediately joined the Flyers American Hockey League primary affiliate, the Adirondack Phantoms on an amateur try-out contract to finish the 2012–13 regular season. Appearing in 6 games with the Phantoms, Alt earned praise from veteran NHL and blueline partner in Andreas Lilja. In his first full professional season, Alt was reassigned to continue with the Adirondack Phantoms for the duration of the 2013–14 season. He tied second on the club amongst defenseman with 22 assists and 26 points in 75 games. In the 2014–15 season, Alt was again reassigned to the AHL by the Flyers, joining new affiliate, the Lehigh Valley Phantoms for their inaugural season. Limited to just 44 games through injury, Alt returned with 2 goals and 10 points. In continuing his upward development the Flyers, Alt was recalled on emergency, and made his NHL debut in playing 9:25 with Philadelphia in a 3-2 shootout defeat to the San Jose Sharks on March 28, 2015. In the final year of his entry-level contract, Alt remained exclusively in the AHL with the Phantoms in the 2015–16 season, appearing in a further 72 games, paired alongside Samuel Morin in a shutdown role, and while also collecting 4 goals and 19 points. On June 26, 2016, he agreed to a one-year, two-way contract to remain with the Flyers. He was familiarly reassigned to return for his fourth season in the AHL in 2016–17. He was limited to just 40 games through injury, recording 1 goals and 11 points as the Phantoms reached the post-season for the first time in franchise history. Despite his reduced impact he placed second on the club in plus-minus (+8). As an impending restricted free agent, Alt was again re-signed to a one-year, two-way contract to return for his sixth season within the Flyers organization on June 27, 2017. In preparation for the 2017–18 season, Alt was among the last cuts at the Flyers training camp and was familiarly assigned to Lehigh Valley. As the Phantoms best defenseman to start the year, Alt returned to the NHL for the first time in three seasons, as he was again used on an emergency basis in a 4-3 overtime