Related Clues:

• Bobble
• Raid target
• Reason for a reduced grade
• Wild throw, e.g.
• Bad throw, e.g.
• See 9-Across
• Boner
• Surveillant's plant
• Dropped pop-up, e.g.
• Screw-up
• One way to get to first base
• Diamond goof
• Diamond flaw
• Fielder's flub
• It's marked with an X