For many years, the debate on the greatest player of all time has raged on among fans, pundits, players, and more. Not many have played with both Ronaldo and Messi, but ex-Spain defender Pique has that nearly unique perspective as he played for a brief time alongside the former at Manchester United and spent many years as the latteri's team-mate at Barcelona. The 37-year-old has said the Portuguese forward is the "best human" but gave the nod to Messi in the GOAT debate as he added that the Argentine "does not belong to this planet".