Related Clues:

• Reward for four balls
• Eg, caustic soda
• Moon ___ (sci-fi site)
• It turns red litmus paper blue
• Monument's bottom
• Worthless singer on the radio
• Bag for a diamond
• First, second, or third place
• In Dundalk, a little base
• First or home, e.g
• Acid’s counterpart
• One of four on a softball field
• 'You're way off ___'
• Square on a softball field
• Centre of operations, of an army perhaps