He's one of the Caltex Socceroos' full backs but in the Europa League overnight, Alex Gersbach played 90 minutes as a winger in Rosenborg's 2-1 loss at Austria Vienna.
And Gersbach almost set up what would have been the opening goal in the first half.
However, his cross from the left was just beyond striker Christian Gytkjaer at the back post.
After the hosts scored twice in three minutes early in the second half, Rosenborg gave themselves hope of progressing to the group stage when Tore Reginiussen scored in stoppage time.
The former AIS and Sydney FC star was selected in the Caltex Socceroos squad this week for two World Cup qualifiers next month along.
Fighting for the Socceroo left back spot in the games against Iraq on September 1 in Perth and UAE away is another rising star, Bournemouth's Brad Smith.
Rukavytsya ready to relive 'unbelievable' World Cup experience
Caltex Socceroos striker Nikita Rukavytsya is hoping history repeats itself as he zeroes in on an unexpected FIFA World Cup berth. The 30-year-old flyer was a surprise recall for last year's do-or-die play-offs against Syria and Honduras having spent the previous four years in
Opponent Watch: Celtic starlet set to lock horns with Rogic
Tom Rogic's superb form could hit a grinding halt in Oslo if a Celtic team-mate has his way in the international friendly between the Caltex Socceroos and Norway. Elsewhere, Colombia are set to have some additional motivation for next week's match in London while a FIFA World
Brillante upbeat over Caltex Socceroos' midfield battle
Recalled midfielder Josh Brillante admits it won't be easy to achieve redemption for his late exclusion from the Caltex Socceroos' last FIFA World Cup squad. Brillante was a member of Australia's extended roster for Brazil 2014 but was unable to force his way into the final 23
Socceroos Spotlight: Luongo, Behich take staggering stats into Norway friendly
Bert van Marwijk will be blessed with the arrival of several in-form stars as his squad assembles in Oslo for the first of two friendlies. AFC Asian Cup winners Massimo Luongo and Aziz Behich are among those at the peak of their powers for the new Caltex Socceroos' coach's fir