According to NHL insider Elliotte Friedman, the Los Angeles Kings might sign winger Erik Haula when free agency opens on July 1.Haula spent last season with the Nashville Predators, scoring 14 goals and 38 points in 81 games. The well-traveled veteran has played for seven teams during his 14 years in the NHL, so changing teams isn’t anything new to Haula, who is 35 years old.Erik Haula Might Sign With Los Angeles KingsSpeaking to “The Game Nashv…