a football pitch. “But why?”. Here is a reason. Goalkeepers are the very last line of defence. They are the only player left between the goal and the attacker in front of him (If you still aren’t convinced , I have a little bit of evidence for you evidence. As the last line of defence you need to always be ready. If you’re not, you’re in a perilous situation in one v one situations. Also they need certain physical attributes.