Will Melky Cabrera and Angel Pagan be difference-makers for a Giants offense that scored the National League's fewest runs last year?"I like the moves they made. I like the speed," ace Tim Lincecum said.More than any pitcher in 2011, Lincecum was victimized by an anemic offense. In 10 of his 33 starts, he received zero run support."It'll be a big difference to have those guys on base," Pablo Sandoval said.It's not just Cabrera and Pagan. It's the return of Buster Posey and Freddy Sanchez, who missed most of last season with injuries. It's the anticipated bounce-back season from Aubrey Huff, who was a virtual no-show on the field. With Cabrera and Pagan, the Giants have an element of speed that has been missing in recent years—the presence of...