Kammala jumla mai zuwa: Berra ya buga wasansa na farko a 2003<unk>04 a National League B (NLB) don GCK Lions, kuma shekaru biyu bayan haka ya buga wasansa na farko na National League A (NLA) tare da ZSC Lions. Ya kama hankalin St. Louis Blues a lokacin gasar zakarun duniya na 2006 na Junior Ice Hockey, kuma kungiyar ta zaɓe shi tare da zagaye na huɗu, na 106 a duka, a gasar cin kofin duniya ta 2006.
2006 National Hockey League (NHL) Tsarin shigarwa. Berra ya zaɓi ya kasance a Switzerland inda ya kasance mai tsaron gida na baya ga Lions, SCL Tigers da HC Davos. Ya kasance memba na kungiyar HC Davos ta gasar cin kofin Switzerland a shekarar 2009.