Definition of back through the box in US English:

back through the box

phrase

Baseball
  • (of a batted ball) hit in the direction of the pitcher past second base.

    • ‘He crossed it back through the box beyond Sorin's reach and it came to Forlan again.’
    • ‘Clark smoked Williams’ first delivery back through the box to break the tie and propel the Giants into the World Series.’
    • ‘Fingers went right along with it and Mays promptly singled back through the box to knot the Series at one game apiece.’
    • ‘I always tried to hit the ball back through the box because that is the largest unprotected area.’