OPENDATE
| Date | Clue |
|---|---|
| 2009-08-01 | Hole that's not filled |
| 2003-05-04 | When a team doesn't play |
| 2002-07-01 | When no games are scheduled |
| 2002-02-02 | Part of a flexible schedule |
| 1999-09-01 | Time for a makeup game |
| 1997-09-20 | It's still free |
| 1995-09-17 | Break in a baseball schedule |
| 1994-06-08 | Scheduling break |