Related Clues:

• Area between outfielders
• It might be bridged
• Blank
• Space between teeth
• Old Navy's parent company
• Continuity interrupter
• Break in activity
• See 18 Across
• Space between teeth, e.g.
• Banana Republic's parent
• Area between fielders
• Noticeable opening
• Smile feature for David Letterman
• US hat I change for a break
• Break in continuity