Related Clues:

• First-string group
• Postmarked pieces
• Field stars
• Bel __ cheese
• Push the envelope?
• Post office delivery
• Best players, collectively
• Stool pigeons
• It's sometimes certified
• Starting players
• Military elite
• Garb for Galahad
• First-string squad
• Junk in the box?
• Kind of bag or box