We know that much.The failure to secure championship No. 27 has obscured the fact that such players as Derek Jeter, Jorge Posada, Mike Mussina, Andy Pettitte, Jason Giambi, Hideki Matsui, Alex Rodriguez, and Mariano Rivera have submitted some outstanding individual efforts, none of which has been translated into a title.Of course, it all began when Rivera could not get the necessary three outs to p