The blockbuster trade that sent Erik Karlsson to the San Jose Sharks during the offseason didn't pay immediate dividends. But the two-time Norris Trophy winner has emerged as one of the team's most impactful players lately. Karlsson had three assists, Tomas Hertl scored the go-ahead goal midway through the second period and the surging Sharks defeated the Los Angeles Kings 3-1 on Monday night. Read more http://www.espn.com/nhl/recap?gameId=401044976