Related Clues:

• More than passes
• Old hands
• The go-to guys on staffs
• Deck tetrad
• 1/13 of 52
• Super serves
• Dogfight combatants
• Docs with many small patients
• They cannot be returned
• Good opening pair
• 'Dead man's hand' pair
• They're often seen with kings and queens
• Dog docs
• They get shuffled around
• Ones with war stories