Rubuta ci gaba don wannan sakin layi - Berra ya buga wasan farko na ƙwararru a 2003<unk>04 a National League B (NLB) don GCK Lions, kuma shekaru biyu bayan haka ya buga wasanninsa na farko na National League A (NLA) tare da ZSC Lions. Ya kama hankalin St. Louis Blues a lokacin gasar zakarun duniya na matasa na shekara ta 2006, kuma kungiyar ta zaɓe shi tare da zagaye na huɗu, na 106 a gaba ɗaya, a cikin National Hockey League (NHL) 2006 Entry Draft.
Ka yi haƙuri. 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.