Related Clues:

• Square after four
• End of a think-ahead adage
• Cat's number of lives
• Russian revolutionary backed, then beheaded in square
• Age, in days, of pease porridge of rhyme
• Number of baseball fielders
• Lowish square
• Top sudoku digit
• Punch-in time, for many
• Number of starters on a baseball team
• Number of starting baseball players
• Shop-opening time, for many
• Last of the teens
• Number on a baseball team
• Three cubed