Related Clues:

• Be a pioneer
• Shot on the green
• A winning team may sit on one
• One maze terminal...
• Major part
• Metal
• Be part of the opening lineup
• Word next to an arrow, maybe
• Tap on the green
• Possible result of a gunshot
• Boot up
• With 21-Across, begin from scratch
• Weapon in Clue
• Weir concern
• Fifth stroke, often