I’d bin the GPS trackers and let the boys go and play with the freedom they deserve.
Mo Farrah made the 10k look easy but give him a ball and…
Messi only runs when he needs to. Most of the time he just walks in to position. He plays the game in his head and like a chess grandmaster is 10 plus moves ahead.
Football is played with boots not spikes.
The eye tells you who is working hard, who is effective, who is playing well.