Pachuca keeper Oscar Perez, 43, has been in excellent form during the Liguilla. MEXICO CITY -- During this Liguilla edition, Oscar "Conejo" Perez became the oldest footballer to play in a playoff match at 43-years-old and three months. He's taken part in five finals but was only able to win one of them in the 1997 Invierno with Cruz Azul.