At 12:50 p.m. Monday, Yu Darvish posted a selfie to his Twitter account. In the background was his locker in the Texas Rangers' clubhouse. The clear implication was that Darvish was still under contract to the Rangers. Ten minutes later, he was not.The Dodgers acquired Darvish, a four-time All-Star, for a package of three prospects headlined by Triple-A second baseman Willie Calhoun.