Related Clues:

• Throw to the wrong base, e.g.
• Fluff a line
• Misreckon
• Muff one
• Get something wrong
• Permission note
• Bobble something
• Make a gaffe
• Misplay, e.g.
• Make a typo, say
• Overthrow first, say
• See 10 Down
• Move without attracting notice
• Flub something
• Add instead of subtract, e.g.