Carlsson is an average scorer and not very big, but he plays with a lot of heart and intensity. He plays tough and really enjoys using body around. Also a good forechecker and greatly appreciated by the fans.
- 2010-04-15 • Signed to a two-year contract extension with a one-year option by Södertälje
- 2007-02-24 • Signed to a three-year contract extension by Södertälje
- 2005-04-15 • Signed to a contract extension by Södertälje