You look to be pretty stacked at SP. I'm thinking trading one of your better ones could fetch you a decent SB guy like Figgins, Crawford, Suzuki plus one more RP like Otsuka. If you are willing to part with one of your aces they should be able to fetch a guy that will get you SB's and a top notch closer like Papelbon, Rivera, Jenks, or Gordon. I'm not a huge Glaus fan either so you might want to throw him in the trade with a good SP.
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Take a look at my team, help is always appreciated: