John Andersson Klingberg (born 14 August 1992) is a Swedish professional ice hockey defenceman who is an unrestricted free agent. He was drafted 131st overall in the 2010 NHL Entry Draft by the Dallas Stars. He is the younger brother of Carl Klingberg. Playing career. Klingberg started his career at an early age in Lerums BK; he was then signed as a youth to join the Frölunda HC program. He made his Elitserien debut for Frölunda HC on 21 September 2010, against AIK. On 16 May 2011, the Dallas Stars announced that they had signed Klingberg to a three-year entry-level contract.
https://en.wikipedia.org/wiki/John_Klingberg