And he would have been an idiot not to considering that Marmol put up season of 1.7, 1.4 and 2.8 WAR. And guess what, he had ERA's of 1.43 in 2007, 2.68 in 2008, and 2.55 in 2010, however his xFIP's those years were 3.55, 3.66 and then his best season (2010) 2.83.