| DOUBLEHEADERS | Big baseball events ... and a hint to 20-, 37- and 43-Across |
| TNT | Explosive compound (and a hint to 20-, 37-, and 52-Across) |
| ITSA | With 66-Across, director's cry ... or hint to 20-, 37- and 58-Across |
| OUTS | Baseball events |
| HAPPYENDINGS | Fairy tale outcomes, or, in a way, what the last words of 20-, 37- and 43-Across are |
| BIGJOETURNER | Bluesman who introduced the hit suggested by the ends of 20-, 37- and 43-Across |
| THREESCOMPANY | Sitcom whose main characters' surnames are the last words of 20-, 37-, and 43-Across |
| HORSE | Word to add to 20-, 37- and 54-Across to make sense of the answers |
| TIMECHANGES | "Spring forward" and "fall back" events, and a hint to the starred clues' answers |
| CLOTHINGSWAPS | Bohemian wardrobe-enhancing events, and a hint to this puzzle's theme |
| SWAPMEET | Collectors' event, and a hint to what's hidden in the answers to starred clues |
| EARTHSHATTERING | Like a life-altering event ... and a hint to the indicated letters |
| EARTHQUAKEDRILL | Practice exercise for a seismic event, and a hint to the starts of the starred clues' answers |
| LIFTOFF | Launchpad event, and a hint to four answers in this puzzle |
| EEE | Measurement found in 20, 37, and 56 Acr. |
| SAMSNEAD | Winner of a record 82 PGA Tour events, and a charter member of the World Golf Hall of Fame: 2 wds. |
| MRMET | N.L. mascot whose head is a large baseball |
| DOUBLEPLAY | Tinkers-to-Evers-to-Chance baseball event |
| ALOU | Big baseball surname |
| SWAT | Big baseball blow |
