Related Clues:

• Slip-up
• It's just not right
• Misstep
• Wrong move
• Wrongdoing
• Program problem
• Bobble
• Reason for a reduced grade
• Wild throw, e.g.
• Bad throw, e.g.
• See 9-Across
• Boner
• Dropped pop-up, e.g.
• Screw-up
• One way to get to first base