* Atletico drop three points behind second-placed Real * Valencia leave it late to beat 10-man Valladolid (Adds Valencia win, quotes, byline) By Iain Rogers MADRID, April 7 (Reuters) - Atletico Madrid slipped three points behind second-placed Real Madrid after having two players sent off in a 0-0 draw at Getafe in La Liga on Sunday. In a poor game marred by play-acting and littered with fouls and cards, Colombia striker Radamel Falcao had the best chance for the visitors just after the hour when his low shot was well saved by goalkeeper Jordi Codina. ... More...