NHL notebook: Wild's Vanek helping feds with investigation
• Wild left wing Thomas Vanek said he's cooperating with federal authorities conducting an investigation in New York. Local media reported Vanek was at the federal courthouse in Rochester, N.Y., to speak with officials. In a statement released by his agent, Vanek said they have asked for his cooperation in an investigation. He signed a free-agent contract with Minnesota this month. The 30-year-old Austrian played nine seasons for the Sabres before being traded to the Islanders last year. He later was dealt to Montreal. Vanek signed a three-year, $19.5 million contract with the Wild on July 1.
• Forward Antoine Roussel and the Stars agreed to terms on a four-year contract. Roussel played in 81 games last season, when he had 29 points (14 goals and 15 assists) and 209 penalty minutes, making him the only player in the NHL with more than 25 points and 150 penalty minutes. Roussel had three assists and 27 penalty minutes in the Stars' six-game playoff series against Anaheim.
• The Ducks signed defenseman Sami Vatanen to a two-year contract coming off his rookie season. He had six goals, 15 assists and 22 penalty minutes in 48 games last season, and he won a bronze medal playing for Finland in the Sochi Olympics. The 23-year-old Vatanen had one assist in five playoff games. He was drafted in the fourth round in 2009 by Anaheim.
• Veteran forward David Booth signed a one-year contract with the Maple Leafs after spending last season with Vancouver. The 29-year-old winger had nine goals and 10 assists in 66 games with the Canucks. He has 218 career points in 443 games with Vancouver and Florida. In 2008-09 with the Panthers, Booth set career highs in goals (31), assists (29) and points (60) in 72 games. A native of Detroit, Booth was selected 53rd overall by Florida in the 2004 draft.