Related Clues:

• Stat that is better when lower
• L-o-n-g time period
• Period of note
• A really long time
• Nolan Ryan stat
• Long period
• Years of note
• A very long time
• Sizable duration
• Depression, e.g.
• Stat that's good when low
• The Clinton years, e.g.
• Bullpen stat
• Time piece
• Proposed change to the Const.