 After an unremarkable training camp, along with stiff competition for role players on the Leaf's roster, he was released by the team on October 11, 2016, He then embarked on his first overseas stint and European professional experience in late November 2016 after signing with the Thomas Sabo Ice Tigers of the German top-flight Deutsche Eishockey Liga (DEL).In the 2016-17 season, Prust added a needed physical presence to the Ice Tigers, however contributing a lowly 8 points in 29 games with the team.As a result of the Ice Tiger's lack of interest in re-signing Prust, coupled with his disinterest in playing overseas, once again as a free agent, Prust opted to return for another attempt at an NHL comeback in signing a professional try-out contract to attend the Los Angeles Kings training camp on August 4, 2017.