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The five options listed previously I consider to be the most likely players that the Giants acquire, and the ones that best fit their needs.
With that said, there are plenty of other routes the Giants could take, if they don't get any of their top choices.
- Mike Napoli of the Texas Rangers has been playing well, but currently backs up Yorvit Torrealba, which makes him a decent option. The problem is that he is currently on the disabled list, so it would be unlikely for anyone to trade for him.
- Jamey Carroll, a middle infielder for the Los Angeles Dodgers, has been in trade talks as of late. He is therefore an "option" for the Giants, although I think they are much better suited leaving him with Los Angeles.
- Max Ramirez was signed earlier this week to catch for the Giants in Triple-A. I don't consider him to be any better than Stewart or Whiteside, but he may get a shot at the majors if he performs well in Fresno.
- Hector Sanchez, an internal prospect, was recently promoted from Single-A to Triple-A to catch in Fresno. It is likely that if the Giants don't trade for anyone, Sanchez will eventually replace Stewart as the backup catcher.