| Answer | Crossword Clue |
|---|---|
| MBA | Only one U.S. prez has had one |
| PHD | Woodrow Wilson was the only U.S. prez to have one |
| CONGRESSES | U. S. has had eighty-one thus far. |
| LEI | Memento one gets from only one U.S. state |
| RYDERCUP | The U.S. has won it only twice since 1993 |
| XRATING | What only one Best Picture winner has had |
| ATBAT | Mariano Rivera has had only one in his career (not surprisingly, he struck out) |
