Thus defending set pieces is an important skill for defenders, and attacking players spend much time in training practising them; some players (such as David Beckham) specialise in the delivery of set pieces.
Thus defending set pieces is an important skill for defenders, and attacking players spend much time in training practising them; set pieces are one area where tactics and routines can be worked out in advance of matches. Some players (such as David Beckham) specialise in the delivery of set pieces.