Related Clues:

• What serious play is for
• Doobie Brothers "It ___ You Runnin'"
• Castle cores
• Looks after castles
• Doesn't turn
• Something to play for
• 3s, for which one has permanent possession
• The Castle's reserves
• Something you might play for
• The Castle's opening in 14 across for start of summer
• It's often played for