Possible Clues:

• Mishap in football
• Backfiring effort
• Have girl holding ring, an embarrassing error
• A new logo created with no end of hype -- a footballer's nightmare?
• 'Action that turns out bad for the person who took it (3,4)'
• Shot a line after private's action that backfired?
• Personal aspiration that is a mistake
• Bird covering north Indian region, 1 down in the 22 with the 22?
• To have ambition can be a big mistake
• Personal ambition that could be self-defeating