Probably the greatest of them all - Jerry West, the only one with Finals MVP from the losing team, ever.
Consider circumstances: Jerry West was dead exhausted before Finals ever started. Yet in Game1 West scored 53 points, in a 2 point win. GM2 - 41 points. In GM5 West scored 39 points but got injured. In GM7 Lakers were behind 91-76 after Q3, but barely walking West went on a rampage and closed the gap in the end of 4Q, still Celtics managed to win. Injured West had 42/13/12 in the close out game