As we move past the All-Star break, plenty of owners are going to give up. The weak-hearted, the quitters are going to stop tracking Twitter and the waiver wire for assets. So even if you're in the middle of the pack now, a move can be made.

Of course, saves are among the easiest categories to move up in. In the last week alone, four closing situations have become fluid:

* Matt Capps has mercifully been removed as the Twins' closer. He blew seven saves and has a 4.76 ERA -- simply, he's not that good. Joe Nathan has been installed as the new closer and already has two saves. He should hold the job the rest of the way.

* Javy Guerra is gaining steam in LA. Although he may not be the long-term answer, he's plenty effective right now. There's no question who Don Mattingly is turning to in save spots now.

* Carlos Marmol has lost his control and has been removed as the closer. It's a stunning development considering how dominant Marmol has been, but when you can't throw strikes you can't close. Look for Sean Marshall and Kerry Wood to fill in until Marmol straightens himself out. It'll take a couple weeks.

* The trade of Francisco Rodriguez to the Brewers was something we've been talking about for awhile. Hopefully you prepared by adding Mets setup guys Bobby Parnell and Jason Isringhausen nice and early.

* As for Milwaukee, John Axford is going to stick as the closer, but he won't have a long leash. With any sign of struggle, K-Rod will step in. But for now, Rodriguez is just a roster stash.

* Looking ahead in Florida: Leo Nunez is likely to be dealt at the deadline, leading to save chances for Mike Dunn.

* Looking ahead in San Diego: Heath Bell is likely to be dealt at the deadline. Mike Adams and Luke Gregerson are both candidates to close.

OK, let's move on to some possible upgrades in the field:

* Alex Presley can play. The speedster's time is seemingly running out with Jose Tabata (quad) nearing a return, but I can't help but think Pittsburgh will find a way to get him at-bats. His speed and ability to get on base is an asset.

* The Athletics traded away Mark Ellis so Jemile Weeks can play every day and it's paying off. Weeks is another guy that can swipe bags for you at a high rate.