Related Clues:

• The yoke's on them
• The Sharks and the Jets, e.g.
• Uniformed units
• Sides
• League members
• Sides in a turf war
• Some may or may not be in your league
• ''Hail, hail, the --- all here''
• Joins forces
• Reds and Browns, e.g.
• DiCaprio's "--- of New York"
• Rumble sides
• Lions and tigers and bears
• Groups of troublemakers
• Play groups