A "fantastic goalkeeper" refers to a very skilled and excellent player who stops the ball from going into the goal in sports like soccer. Full definition
They have got a fantastic goalkeeper in Hugo Lloris, who is very sharp off his line. (justarsenal.com)
Ospina has proven on occasion to be a fantastic goalkeeper, especially when it comes to playing with his international side. (justarsenal.com)
Kepa is a fantastic goalkeeper and would probably be a very good long term replacement for Cech, especially as he could be available on a free. (justarsenal.com)