center field

noun
  1. 1

    The part of a baseball field which is beyond the infield and straight ahead left if you stand on home plate and face the pitcher.

  2. 2

    The defensive position in the outfield in the middle, typically played by a player that can run fast.

  3. 3

    A central role in some activity that requires speed.

    โ€œI'd be happy to play center field on this proposal. I can cover a lot of ground.โ€

Source: https://en.wiktionary.org/wiki/center%20field