Related Clues:

• Relief pitcher's success
• Feather one's nest
• Hold on to
• One way to build interest?
• Something to do for a rainy day
• Closer's stat
• Conserve
• Create a nest egg
• Eschew extravagance
• File, for instance
• Penny-pinch
• File menu option
• Put in an album, say
• Come to the rescue of
• Reliever's quest