On July 12, 2014, Guggenberger opted to return to the
Gwinnett Gladiators for a second season in
2014–15. Guggenberger appeared in 23 games as the Gladiators back-up to
Kent Patterson, before he was traded at the deadline to the
Fort Wayne Komets on March 12, 2015. After tentatively agreeing to a contract in December 2014, Guggenberger signed a one-year deal with for the 2015 season with Australian club, the Perth Thunder of the AIHL, on May 24, 2015. ==Awards and honours==