Fix your team? By the looks of it you have a pretty solid team to begin with. The only real area I see a possible problem is your OF and RP. OF you can probably pull something solid together. Granderson will really boost it when he's back. Pence could heat up too. I'm still not sure how he'll do this year but I can see him having a good year. De Aza is another solid OF. So unless you really feel the need to get more depth or make some changes there i'd leave it alone and wait it out. However if you want to go to the wire i'd say look for Eaton or Jon Jay. Both candidates to have breakout years.
I'm in the same boat as you for RP and saves. Your bench is pretty strong and you maybe able to really pull a good trade. You could pair Pence with Utley to a team weak at 2B or OF and snag a mid level or higher level RP and maybe another good OF option.
Hope I helped somehow!