Ready to put 2011 behind you? The Dodgers have released their preliminary 2012 schedule. After beginning this season on March 31, Opening Day 2012 comes on April 5 (a Thursday) at San Diego. Tony Jackson of ESPNLosAngeles.com has more:The Los Angeles Dodgers will begin the 2012 regular season with a four-game series against the San Diego Padres at Petco Park April 5-8. Following an off-day, the team then will begin the home half of its schedule on April 10 against the Pittsburgh Pirates, kicking off a six-game homestand that also will include three more games against the Padres. Major League Baseball released the 2012 regular-season schedule on Wednesday. The interleague portion of the Dodgers' schedule includes the usual six-game, home-and-home series with the Los Angeles Angels, who