Pari gbolohun ti o tẹle: Berra ṣe ere ọjọgbọn akọkọ rẹ ni ọdun 2003<unk>04 ni National League B (NLB) fun GCK Lions, ati ọdun meji lẹhinna o ṣe ere akọkọ rẹ ni National League A (NLA) pẹlu ZSC Lions. O gba akiyesi ti St. Louis Blues nigba 2006 World Junior Ice Hockey Championships, ati awọn egbe ti yan u pẹlu wọn kẹrin-ipo yan, 106th gbogbo, ni 2006 World Junior Ice Hockey Championships.
2006 National Hockey League (NHL) Entry Draft. Àwọn ojúewé wọ̀nyí jápọ̀ mọ́ Àkójọ: Berra yàn láti dúró ní Switzerland níbi tí ó ti jẹ́ olùṣọ́ agbábọ́ọ̀lù fún àwọn Lions, SCL Tigers àti HC Davos. O jẹ ọmọ ẹgbẹ ẹgbẹ aṣaju Swiss HC Davos ni ọdun 2009.