I agree. Your starters are incredible, but only having one closer (and not a great one at that) is gonna set you back. See if you can work out a trade for an additional closer.
To the guy who said your infield is weak, the only weak player he has on there is Jack Wilson. Loretta, Bagwell, and Glaus will all have great seasons. Are there any other shortstops out there you can pick up? If so, drop Joe Crede and get a shortstop off of the free agent pool/waivers.