Related Clues:

• Middle square, say
• See 6 Across
• Middle of three in a row?
• Middle of XXX or OOO
• Middle of a game
• Middle O, in a game
• One of three in a row
• Middle of three X's
• Game center
• Tic- -- -toe
• Toe preceder
• Tic ___ (mint)
• Tic ___
• Tic --
• ''Hollywood Squares'' square