Since which season has the team, for which Jonas Siegenthaler plays, played in the American Hockey League?
Hershey Bears The Hershey Bears are an American professional ice hockey team based in Hershey, Pennsylvania. The current Bears club has played in the American Hockey League since the 1938-39 season making it the longest continuously operating member club of the league still playing in its original city.
2011–12 AHL season The 2011–12 AHL season is the 76th season of the American Hockey League. The regular season began on October 7, 2011, and concluded on April 15, 2012. The 2012 Calder Cup playoffs follows the conclusion of the regular season.