Possible Clues:

• Assumption of superiority that's the making of a team
• Team's boastful manner
• It could be the Left dies out
• One of a triangle's three
• By the sound of it, longed for a group of players
• With 47 Across, record part
• Rib-joint menu selection
• Competing players expressed sadness vocally
• Word with order or line
• That could be real starry