12 team 5x5 roto. Trade Zimmerman 3B for a closer to get me a few more saves. In 1st by 5.5 pts. but only 3 saves ahead of the guy in 2nd. My closers are Wilhelmsen, Jansen and Aceves (who may lose his closer job). I have Frazier and Headley who can play 3B. I think I can spare Zimmerman just to make sure I don't lose a point in the saves category. If you've read thru all this would appreciate your thought on this. Thanks!!