fullbacks

/F UH1 L B AE0 K S/
noun
  1. 1

    A player who plays on the left or right side of defence.

  2. 2

    The player who wears the number 15 jersey at the start of play. The last line of defence responsible for catching punts.

noun
  1. 1

    An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.

  2. 2

    A position behind the main line of backs in both rugby union and rugby league.

  3. 3

    A defensive player who assists the goalie in preventing the opposing team from scoring.

Source: https://en.wiktionary.org/wiki/full-back, https://en.wiktionary.org/wiki/fullback, https://en.wiktionary.org/wiki/fullbacks