 He was an NHL draft pick of the St. Louis Blues, selected in the fourth round of the 2006 NHL Entry Draft and was traded to the Calgary Flames, with whom he made his NHL debut in 2013–14.Internationally, Berra has played with the Swiss National Team on several occasions; he has appeared in two World Championships.At the 2013 tournament, he shared goaltending duties with Martin Gerber and helped lead Switzerland to a silver medal, the nation's first medal in 60 years.