% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "OPENINGDAY"

OPENINGDAY
Annual rite of spring
Season starter
Season beginner
Start of a sports season, and what each half of 17-, 28-, 39- and 48-Across can have
Baseball season beginner
Baseball milestone
December 25?
Start of the baseball season ... or what the start of each starred clue is?
Good time to use your ace
December 25, in a way?
When lots of popcorn and peanuts are sold
Annual ballpark occurrence, or a hint to the first few letters of each starred entry
March 29, 2018, to MLB