 The Flames wanted Berra to gain playing experience in North America and assigned him to their American Hockey League (AHL) affiliate, the Abbotsford Heat to start the season.After nine appearances with the Heat in which he recorded a 2.66 GAA and a .908 save percentage, Berra was recalled to Calgary.Berra made his NHL debut on 3 November 2013, making 42 saves for his first win as the Flames defeated the defending Stanley Cup champion Chicago Blackhawks, 3–2.