Career
He has also previously played in the National Hockey League (National Hockey League) for the Calgary Flames, Toronto Maple Leafs and Washington Capitals. He has also played for Djurgårdens IF and Brynäs IF of the Elitserien, as well as Severstal Cherepovets in the KHL. Kronwall was originally drafted 285th overall by the Maple Leafs at the 2002 National Hockey League Entry Draft. Kronwall represented Sweden at the 2002 World Junior Championship, playing seven games for Sweden.
Kronwall was then drafted by the Toronto Maple Leafs in the ninth round, 285th overall, of the 2002 National Hockey League Entry Draft, spending the majority of his first four seasons in North American with the Leafs" American Hockey League (AHL) affiliate, the Toronto Marlies.
Toronto later placed him on waivers midway through the 2008-2009 season, where he was claimed by the Washington Capitals. He signed later with the Calgary Flames via free agency in 2009.
He remained with the Heat to begin the 2010-2011 season, but sought to return to Sweden to be closer to his family. With the blessing of the Flames, Kronwall signed a one-year contract with his former team, Djurgårdens IF, on October 11, 2010.
After one season with Djurgården, Kronwall moved to Russian side Severstal Cherepovets of the KHL.
Kronwall represented Sweden at the 2002 World Junior Ice Hockey Championships, where he was pointless in seven games.
Kronwall has also represented Sweden several times internationally. At the 2012 IIHF World Championship, he recorded one goal and one assist in eight games. At the 2013 IIHF World Championship, he recorded one assist in ten games, winning a gold medal.
At the 2015 IIHF World Championship, he recorded one goal and two assists in six games.