Was the Freddy Sanchez Acquisition Worth it?

In 2009, after being acquired by the Giants in exchange for Tim Alderson -- who had been ranked as the Giants' fourth-best prospect by Baseball America -- Freddy Sanchez didn't do much. He played 25 games, batted .284 without much power, and only drew two walks. His defense, nevertheless, was solid. Giants fans, however, were dissatisfied, as they had given up a promising arm in exchange for an injury-prone second-baseman without much speed nor power. The cost for that 2009 performance was roughly $2MM, not worth it by any measure.In October of 2009, Freddy re-signed with the Giants on a two-year $12MM contract. To add insult to injury, (or I guess in this case, injury to insult), he started the 2010 season on the disabled list. Eventually, he played his first game of the season on May 19. By August 11, he hadn't put together much of a season. He was batting a dismal slash line of .255/.317/.319; that would, however, be the turning point, as he would go on to put up a ...