They won the 2010 World Series and failed to reach the playoffs in 2011 because of an anemic offense. Now the Giants have designs on playing in October again, thanks to an upgraded offense and several players coming back from injuries. With the additions of outfielders Melky Cabrera and Angel Pagan and better health for catcher Buster Posey and second baseman Freddy Sanchez, the Giants expect to have four bona fide hitters they didn't have in last year's second half. Throw in a bounce-back year for Aubrey Huff, and the Giants can't help but improve on an offense that was last in the NL in runs. No matter how good the offense is, the Giants remain pitching-heavy, thanks to a rotation of Tim Lincecum, Matt Cain, Ryan Vogelsong and Madison Bumgarner and a deep...