[citation needed] During his collegiate off-seasons Peterlin played for the San Francisco Seals and Ventura County Fusion in the USL Premier Development League.

[citation needed] Graham Smith, coach of the Fusion, recommended Peterlin to David Moyes, manager of Premier League club Everton.

[6] Peterlin rejected offers from Major League Soccer clubs Chicago Fire and San Jose Earthquakes to join Everton.

[citation needed] He was released upon his contract expiry in June 2010 and he was offered a trial by Plymouth Argyle manager Peter Reid, a former Everton player.

[18] Born in the United States to a Danish mother and Slovenian father,[19] Peterlin holds dual citizenship in the U.S. and Denmark, which eliminated the need to secure a work permit.