| Answer | Crossword Clue |
|---|---|
| RBI | One of four in a grand slam: Abbr. |
| PGA | Organizer of one of four Grand Slam events: Abbr. |
| RBI | One of four in a grand slam |
| RBIS | A grand slam earns four: Abbr. |
| AGASSI | Winner of all four Grand Slam singles events in tennis |
| SYL | One of four in Mississippi: Abbr. |
| SYL | One of four in Massachusetts: Abbr. |
| SYL | One of four in Minnesota: Abbr. |
| SYL | One of four in mythology: Abbr. |
| SYL | One of four in mythology?: Abbr. |
