The Pittsburgh Penguins made a big investment in their future, signing restricted free agent forward Ville Koivunen to an eight-year deal worth $4 million per season. The Philadelphia Flyers have re-signed resticted free agent forward Nikita Grebenkin to a two-year contract that carries an average annual vale of $1.1 million. Grebenkin, 23, produced four goals and 14 points in 55 games last year with the Flyers, his first full NHL season. ET, the United States (3-0) takes on Slovakia (1-1-1) in the first semifinal game. That’s followed by the second semifinal game at 7 p.m. which features host Canada (3-0) versus Finland (2-1).