The Sharks on Monday signed defenseman Nick Petrecki, the team?s first-round pick in the 2007 draft, as reported by Yahoo.com. Financial terms were not disclosed. The 6-3, 220-pound Petrecki has spent the last two seasons playing at Boston College, winning a national championship in 2008. This season, the Schenectady, New York native recorded seven assists in 35 games while leading the Eagles with 161 penalty minutes.