Giants Rumors: Rotation Depth, Cabrera, Santiago

John Shea of the San Francisco Chronicle has a pair of Giants articles up. Let's dig in:

• The Giants are looking to add rotation depth by pursuing "sixth starter" types. According to Shea, they're one of several teams interested in Andrew Miller, who visited the Giants in their suite Tuesday at the Winter Meetings.
• The Giants are also in the market for backup shortstops. Some names they've floated around include Orlando Cabrera and Tigers' utilityman Ramon Santiago. Edgar Renteria remains an option as well.
• Despite yet another surgery for Freddy Sanchez (this time on his left shoulder), San Francisco won't be pursuing any second basemen. Sanchez should be ready for Opening Day, and the Giants already have Mike Fontenot and Mark DeRosa to backup if needed.