Teams perform to the level of their least-committed member. To predict your team's performance capacity, examine the commitment of all your partners.Is the team leader the most powerful member of your team? Is the most inspired member the most powerful? The smartest member? Nope. None of the above. Like it or not, the most powerful member of your team is the one who cares the least about your team's task. Sorry, but that's the truth. The least-committed member of your team is the most powerful because his lack of commitment establishes a low baseline to which other teams may fall. The success-or mediocrity-of your team likely will be determined by him." (Source: Teamwork is an Individual Skill: Getting Your Work Done When Sharing Responsibility, p.96)
The excerpt brings to mind what I have learned with my teammates in dragon boat. In dragon boat paddling (and I think in most team sports), the strength of the team is its weakest man. Of course it would help to have really good players around. Think Michael Jordan in basketball or Ronaldinho in Football, they definitely have the skills and talent to drive their teams to top place. But imagine how it would have turned up for them their teammates left them alone to dribble and drive the balls on their own.
Team sport is a pretty interesting study. There's such dynamism, energy, drive, focus, and shared goal in it.