There are no perfect teams in the NHL, and there are always areas where a team can improve. These flaws help define a team, because teams that usually have a flaw make up for that shortcoming in another area.
If a team has shaky goaltending, they usually have a high octane offense. If a team has an anemic offense, they usually have a great defense and goaltending tandem.
Nonetheless, every team in the NHL has at least one shortcoming, so here are each NHL team's biggest flaw.