Related Clues:

• Diamond flaw
• Fielder's flub
• Amusing act
• It's marked with an X
• Not just a tie-up
• Kind of message
• Trial mate
• Baseball boo-boo
• Play around, with 'off'
• Muddlement
• Cause for a correction
• Misplay
• Trial partner
• It could be clerical
• It needs correction