Possible Clues:

• On top of everything else there's a hundred to spare
• Is there a hundred left on top?
• On top of it all there's a hundred left at the end
• Fielder caught what's bowled
• Lid; fielding position
• Vote for a member of the other political party
• Lid, travel (distance)
• Is the hundred finished on top of everything else?
• Proverbially not a factor in assessing book
• Encompass